102542204 has 6 divisors (see below), whose sum is σ = 179448864. Its totient is φ = 51271100.

The previous prime is 102542201. The next prime is 102542269. The reversal of 102542204 is 402245201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102542201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12817772 + ... + 12817779.

It is an arithmetic number, because the mean of its divisors is an integer number (29908144).

Almost surely, 2^102542204 is an apocalyptic number.

It is an amenable number.

102542204 is a deficient number, since it is larger than the sum of its proper divisors (76906660).

102542204 is a wasteful number, since it uses less digits than its factorization.

102542204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635555 (or 25635553 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 102542204 is about 10126.3124581459. The cubic root of 102542204 is about 468.0593040975.

Adding to 102542204 its reverse (402245201), we get a palindrome (504787405).

The spelling of 102542204 in words is "one hundred two million, five hundred forty-two thousand, two hundred four".