102612644 has 12 divisors (see below), whose sum is σ = 182252784. Its totient is φ = 50540424.

The previous prime is 102612613. The next prime is 102612659. The reversal of 102612644 is 446216201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191174 + ... + 191709.

It is an arithmetic number, because the mean of its divisors is an integer number (15187732).

Almost surely, 2^102612644 is an apocalyptic number.

It is an amenable number.

102612644 is a deficient number, since it is larger than the sum of its proper divisors (79640140).

102612644 is a wasteful number, since it uses less digits than its factorization.

102612644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382954 (or 382952 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 102612644 is about 10129.7899287201. The cubic root of 102612644 is about 468.1664552656.

Adding to 102612644 its reverse (446216201), we get a palindrome (548828845).

The spelling of 102612644 in words is "one hundred two million, six hundred twelve thousand, six hundred forty-four".