10100120 has 32 divisors (see below), whose sum is σ = 23511600. Its totient is φ = 3900288.

The previous prime is 10100117. The next prime is 10100131. The reversal of 10100120 is 2100101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194 + ... + 5513.

Almost surely, 2^10100120 is an apocalyptic number.

10100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100120 is an abundant number, since it is smaller than the sum of its proper divisors (13411480).

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

10100120 is a wasteful number, since it uses less digits than its factorization.

10100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747 (or 8743 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 10100120 is about 3178.0685958613. The cubic root of 10100120 is about 216.1600893673.

Adding to 10100120 its reverse (2100101), we get a palindrome (12200221).

The spelling of 10100120 in words is "ten million, one hundred thousand, one hundred twenty".