102512407 has 2 divisors, whose sum is σ = 102512408. Its totient is φ = 102512406.

The previous prime is 102512401. The next prime is 102512471. The reversal of 102512407 is 704215201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102512407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102512401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51256203 + 51256204.

It is an arithmetic number, because the mean of its divisors is an integer number (51256204).

Almost surely, 2^102512407 is an apocalyptic number.

102512407 is a deficient number, since it is larger than the sum of its proper divisors (1).

102512407 is an equidigital number, since it uses as much as digits as its factorization.

102512407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 102512407 is about 10124.8410851726. The cubic root of 102512407 is about 468.0139630455.

Adding to 102512407 its reverse (704215201), we get a palindrome (806727608).

The spelling of 102512407 in words is "one hundred two million, five hundred twelve thousand, four hundred seven".