102421036 has 6 divisors (see below), whose sum is σ = 179236820. Its totient is φ = 51210516.

The previous prime is 102421031. The next prime is 102421043. The reversal of 102421036 is 630124201.

It is not an unprimeable number, because it can be changed into a prime (102421031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12802626 + ... + 12802633.

Almost surely, 2^102421036 is an apocalyptic number.

It is an amenable number.

102421036 is a deficient number, since it is larger than the sum of its proper divisors (76815784).

102421036 is a wasteful number, since it uses less digits than its factorization.

102421036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25605263 (or 25605261 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102421036 is about 10120.3278603018. The cubic root of 102421036 is about 467.8748721899.

Adding to 102421036 its reverse (630124201), we get a palindrome (732545237).

The spelling of 102421036 in words is "one hundred two million, four hundred twenty-one thousand, thirty-six".