102979634 has 8 divisors (see below), whose sum is σ = 155362860. Its totient is φ = 51192016.

The previous prime is 102979627. The next prime is 102979637. The reversal of 102979634 is 436979201.

It can be written as a sum of positive squares in 2 ways, for example, as 101949409 + 1030225 = 10097^2 + 1015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102979591 and 102979600.

It is not an unprimeable number, because it can be changed into a prime (102979637) by changing a digit.

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, 148469 + ... + 149160.

Almost surely, 2^102979634 is an apocalyptic number.

102979634 is a deficient number, since it is larger than the sum of its proper divisors (52383226).

102979634 is a wasteful number, since it uses less digits than its factorization.

102979634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297804.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 102979634 is about 10147.8881546852. Note that the first 3 decimals coincide. The cubic root of 102979634 is about 468.7239173872.

The spelling of 102979634 in words is "one hundred two million, nine hundred seventy-nine thousand, six hundred thirty-four".