102387412 has 6 divisors (see below), whose sum is σ = 179177978. Its totient is φ = 51193704.

The previous prime is 102387407. The next prime is 102387431. The reversal of 102387412 is 214783201.

It can be written as a sum of positive squares in only one way, i.e., 92236816 + 10150596 = 9604^2 + 3186^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12798423 + ... + 12798430.

Almost surely, 2^102387412 is an apocalyptic number.

It is an amenable number.

102387412 is a deficient number, since it is larger than the sum of its proper divisors (76790566).

102387412 is a wasteful number, since it uses less digits than its factorization.

102387412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25596857 (or 25596855 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 102387412 is about 10118.6665129354. Note that the first 3 decimals coincide. The cubic root of 102387412 is about 467.8236667372.

The spelling of 102387412 in words is "one hundred two million, three hundred eighty-seven thousand, four hundred twelve".