102004042 has 16 divisors (see below), whose sum is σ = 179591040. Its totient is φ = 42534288.

The previous prime is 102004037. The next prime is 102004069. The reversal of 102004042 is 240400201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97942 + ... + 98977.

It is an arithmetic number, because the mean of its divisors is an integer number (11224440).

Almost surely, 2^102004042 is an apocalyptic number.

102004042 is a deficient number, since it is larger than the sum of its proper divisors (77586998).

102004042 is a wasteful number, since it uses less digits than its factorization.

102004042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196965.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 102004042 is about 10099.7050451981. The cubic root of 102004042 is about 467.2390445033.

Adding to 102004042 its reverse (240400201), we get a palindrome (342404243).

The spelling of 102004042 in words is "one hundred two million, four thousand, forty-two".