102512401 has 2 divisors, whose sum is σ = 102512402. Its totient is φ = 102512400.

The previous prime is 102512369. The next prime is 102512407. The reversal of 102512401 is 104215201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92621376 + 9891025 = 9624^2 + 3145^2 .

It is a cyclic number.

It is not a de Polignac number, because 102512401 - 2⁵ = 102512369 is a prime.

It is not a weakly prime, because it can be changed into another prime (102512407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51256200 + 51256201.

It is an arithmetic number, because the mean of its divisors is an integer number (51256201).

Almost surely, 2^102512401 is an apocalyptic number.

It is an amenable number.

102512401 is a deficient number, since it is larger than the sum of its proper divisors (1).

102512401 is an equidigital number, since it uses as much as digits as its factorization.

102512401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 102512401 is about 10124.8407888717. The cubic root of 102512401 is about 468.0139539147.

Adding to 102512401 its reverse (104215201), we get a palindrome (206727602).

The spelling of 102512401 in words is "one hundred two million, five hundred twelve thousand, four hundred one".