102903642 has 32 divisors (see below), whose sum is σ = 229008960. Its totient is φ = 34251120.

The previous prime is 102903641. The next prime is 102903643. The reversal of 102903642 is 246309201.

102903642 is a `hidden beast` number, since 10 + 2 + 9 + 0 + 3 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (102903641) and next prime (102903643).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102903641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64717 + ... + 66287.

It is an arithmetic number, because the mean of its divisors is an integer number (7156530).

Almost surely, 2^102903642 is an apocalyptic number.

102903642 is an abundant number, since it is smaller than the sum of its proper divisors (126105318).

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

102903642 is a wasteful number, since it uses less digits than its factorization.

102903642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 102903642 is about 10144.1432363704. The cubic root of 102903642 is about 468.6085935066.

The spelling of 102903642 in words is "one hundred two million, nine hundred three thousand, six hundred forty-two".