100958120 has 16 divisors (see below), whose sum is σ = 227155860. Its totient is φ = 40383232.

The previous prime is 100958119. The next prime is 100958161. The reversal of 100958120 is 21859001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92582884 + 8375236 = 9622^2 + 2894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100958120.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1261937 + ... + 1262016.

Almost surely, 2^100958120 is an apocalyptic number.

100958120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100958120 is an abundant number, since it is smaller than the sum of its proper divisors (126197740).

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

100958120 is a wasteful number, since it uses less digits than its factorization.

100958120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523964 (or 2523960 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 100958120 is about 10047.7917972060. The cubic root of 100958120 is about 465.6365737105.

The spelling of 100958120 in words is "one hundred million, nine hundred fifty-eight thousand, one hundred twenty".