100258128 has 40 divisors (see below), whose sum is σ = 287779200. Its totient is φ = 33419232.

The previous prime is 100258087. The next prime is 100258141. The reversal of 100258128 is 821852001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115608 + ... + 116471.

It is an arithmetic number, because the mean of its divisors is an integer number (7194480).

Almost surely, 2^100258128 is an apocalyptic number.

100258128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

100258128 is an abundant number, since it is smaller than the sum of its proper divisors (187521072).

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

100258128 is a wasteful number, since it uses less digits than its factorization.

100258128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232096 (or 232084 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 100258128 is about 10012.8980819741. The cubic root of 100258128 is about 464.5579149014.

The spelling of 100258128 in words is "one hundred million, two hundred fifty-eight thousand, one hundred twenty-eight".