102881940 has 48 divisors (see below), whose sum is σ = 329223552. Its totient is φ = 23515776.

The previous prime is 102881927. The next prime is 102881951. The reversal of 102881940 is 49188201.

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, 122059 + ... + 122898.

It is an arithmetic number, because the mean of its divisors is an integer number (6858824).

Almost surely, 2^102881940 is an apocalyptic number.

102881940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102881940 is an abundant number, since it is smaller than the sum of its proper divisors (226341612).

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

102881940 is a wasteful number, since it uses less digits than its factorization.

102881940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244976 (or 244974 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 102881940 is about 10143.0734986985. The cubic root of 102881940 is about 468.5756485803.

The spelling of 102881940 in words is "one hundred two million, eight hundred eighty-one thousand, nine hundred forty".