102100074 has 32 divisors (see below), whose sum is σ = 211230720. Its totient is φ = 32880432.

The previous prime is 102100073. The next prime is 102100093. The reversal of 102100074 is 470001201.

It is a super-2 number, since 2×102100074² = 20848850221610952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102100073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19987 + ... + 24569.

It is an arithmetic number, because the mean of its divisors is an integer number (6600960).

Almost surely, 2^102100074 is an apocalyptic number.

102100074 is an abundant number, since it is smaller than the sum of its proper divisors (109130646).

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

102100074 is a wasteful number, since it uses less digits than its factorization.

102100074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 102100074 is about 10104.4581250060. The cubic root of 102100074 is about 467.3856263623.

Adding to 102100074 its reverse (470001201), we get a palindrome (572101275).

The spelling of 102100074 in words is "one hundred two million, one hundred thousand, seventy-four".