102474920 has 16 divisors (see below), whose sum is σ = 230568660. Its totient is φ = 40989952.

The previous prime is 102474907. The next prime is 102474947. The reversal of 102474920 is 29474201.

It can be written as a sum of positive squares in 2 ways, for example, as 96314596 + 6160324 = 9814^2 + 2482^2 .

It is a super-2 number, since 2×102474920² = 21002218458012800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280897 + ... + 1280976.

Almost surely, 2^102474920 is an apocalyptic number.

102474920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102474920 is an abundant number, since it is smaller than the sum of its proper divisors (128093740).

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

102474920 is a wasteful number, since it uses less digits than its factorization.

102474920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561884 (or 2561880 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 102474920 is about 10122.9896769680. The cubic root of 102474920 is about 467.9569079080.

The spelling of 102474920 in words is "one hundred two million, four hundred seventy-four thousand, nine hundred twenty".