102042992 has 20 divisors (see below), whose sum is σ = 197866056. Its totient is φ = 50980800.

The previous prime is 102042989. The next prime is 102043001. The reversal of 102042992 is 299240201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34367 + ... + 37217.

Almost surely, 2^102042992 is an apocalyptic number.

It is an amenable number.

102042992 is a deficient number, since it is larger than the sum of its proper divisors (95823064).

102042992 is a wasteful number, since it uses less digits than its factorization.

102042992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 102042992 is about 10101.6331352906. The cubic root of 102042992 is about 467.2985083065.

The spelling of 102042992 in words is "one hundred two million, forty-two thousand, nine hundred ninety-two".