100103256 has 64 divisors (see below), whose sum is σ = 303350400. Its totient is φ = 30333600.

The previous prime is 100103249. The next prime is 100103281. The reversal of 100103256 is 652301001.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18690 + ... + 23441.

It is an arithmetic number, because the mean of its divisors is an integer number (4739850).

Almost surely, 2^100103256 is an apocalyptic number.

It is an amenable number.

100103256 is an abundant number, since it is smaller than the sum of its proper divisors (203247144).

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

100103256 is a wasteful number, since it uses less digits than its factorization.

100103256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42157 (or 42147 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 100103256 is about 10005.1614679624. The cubic root of 100103256 is about 464.3185857053.

Adding to 100103256 its reverse (652301001), we get a palindrome (752404257).

The spelling of 100103256 in words is "one hundred million, one hundred three thousand, two hundred fifty-six".