100402100 has 36 divisors (see below), whose sum is σ = 218881824. Its totient is φ = 39974880.

The previous prime is 100402079. The next prime is 100402111. The reversal of 100402100 is 1204001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20489 + ... + 24911.

Almost surely, 2^100402100 is an apocalyptic number.

100402100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100402100 is an abundant number, since it is smaller than the sum of its proper divisors (118479724).

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

100402100 is a wasteful number, since it uses less digits than its factorization.

100402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 100402100 is about 10020.0848299802. The cubic root of 100402100 is about 464.7801789840.

Adding to 100402100 its reverse (1204001), we get a palindrome (101606101).

The spelling of 100402100 in words is "one hundred million, four hundred two thousand, one hundred".