102397042 has 32 divisors (see below), whose sum is σ = 177408000. Its totient is φ = 43837200.

The previous prime is 102397033. The next prime is 102397063. The reversal of 102397042 is 240793201.

It is a self number, because there is not a number n which added to its sum of digits gives 102397042.

It is an unprimeable number.

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, 82567 + ... + 83797.

It is an arithmetic number, because the mean of its divisors is an integer number (5544000).

Almost surely, 2^102397042 is an apocalyptic number.

102397042 is a deficient number, since it is larger than the sum of its proper divisors (75010958).

102397042 is a wasteful number, since it uses less digits than its factorization.

102397042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 102397042 is about 10119.1423549627. The cubic root of 102397042 is about 467.8383332559.

The spelling of 102397042 in words is "one hundred two million, three hundred ninety-seven thousand, forty-two".