102621124 has 12 divisors (see below), whose sum is σ = 187395264. Its totient is φ = 49079624.

The previous prime is 102621121. The next prime is 102621131. The reversal of 102621124 is 421126201.

It is not an unprimeable number, because it can be changed into a prime (102621121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557632 + ... + 557815.

It is an arithmetic number, because the mean of its divisors is an integer number (15616272).

Almost surely, 2^102621124 is an apocalyptic number.

It is an amenable number.

102621124 is a deficient number, since it is larger than the sum of its proper divisors (84774140).

102621124 is a wasteful number, since it uses less digits than its factorization.

102621124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115474 (or 1115472 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 102621124 is about 10130.2084874893. The cubic root of 102621124 is about 468.1793514742.

Adding to 102621124 its reverse (421126201), we get a palindrome (523747325).

The spelling of 102621124 in words is "one hundred two million, six hundred twenty-one thousand, one hundred twenty-four".