124130100 has 72 divisors (see below), whose sum is σ = 365289120. Its totient is φ = 32535680.

The previous prime is 124130099. The next prime is 124130101. The reversal of 124130100 is 1031421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124130099) and next prime (124130101).

It is a super-3 number, since 3×124130100³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124130101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14194 + ... + 21206.

It is an arithmetic number, because the mean of its divisors is an integer number (5073460).

Almost surely, 2^124130100 is an apocalyptic number.

124130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182644560).

124130100 is an abundant number, since it is smaller than the sum of its proper divisors (241159020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124130100 is a wasteful number, since it uses less digits than its factorization.

124130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089 (or 7082 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 124130100 is about 11141.3688566531. The cubic root of 124130100 is about 498.8374323011.

Adding to 124130100 its reverse (1031421), we get a palindrome (125161521).

The spelling of 124130100 in words is "one hundred twenty-four million, one hundred thirty thousand, one hundred".