124235490 has 64 divisors (see below), whose sum is σ = 332346240. Its totient is φ = 29537280.

The previous prime is 124235459. The next prime is 124235491. The reversal of 124235490 is 94532421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (124235491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3280 + ... + 16100.

It is an arithmetic number, because the mean of its divisors is an integer number (5192910).

Almost surely, 2^124235490 is an apocalyptic number.

124235490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 124235490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166173120).

124235490 is an abundant number, since it is smaller than the sum of its proper divisors (208110750).

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

124235490 is a wasteful number, since it uses less digits than its factorization.

124235490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12867.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 124235490 is about 11146.0975233487. The cubic root of 124235490 is about 498.9785681080.

The spelling of 124235490 in words is "one hundred twenty-four million, two hundred thirty-five thousand, four hundred ninety".