102359812 has 6 divisors (see below), whose sum is σ = 179129678. Its totient is φ = 51179904.

The previous prime is 102359809. The next prime is 102359819. The reversal of 102359812 is 218953201.

It can be written as a sum of positive squares in only one way, i.e., 56310016 + 46049796 = 7504^2 + 6786^2 .

It is a super-2 number, since 2×102359812² = 20955062225350688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102359819) 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 as a sum of consecutive naturals, namely, 12794973 + ... + 12794980.

Almost surely, 2^102359812 is an apocalyptic number.

It is an amenable number.

102359812 is a deficient number, since it is larger than the sum of its proper divisors (76769866).

102359812 is a wasteful number, since it uses less digits than its factorization.

102359812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25589957 (or 25589955 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 102359812 is about 10117.3026049437. The cubic root of 102359812 is about 467.7816267594.

The spelling of 102359812 in words is "one hundred two million, three hundred fifty-nine thousand, eight hundred twelve".