102512141 has 4 divisors (see below), whose sum is σ = 102563484. Its totient is φ = 102460800.

The previous prime is 102512117. The next prime is 102512161. The reversal of 102512141 is 141215201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34515625 + 67996516 = 5875^2 + 8246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102512141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102512101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22550 + ... + 26711.

It is an arithmetic number, because the mean of its divisors is an integer number (25640871).

Almost surely, 2^102512141 is an apocalyptic number.

It is an amenable number.

102512141 is a deficient number, since it is larger than the sum of its proper divisors (51343).

102512141 is an equidigital number, since it uses as much as digits as its factorization.

102512141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51342.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 102512141 is about 10124.8279491555. The cubic root of 102512141 is about 468.0135582431.

Adding to 102512141 its reverse (141215201), we get a palindrome (243727342).

The spelling of 102512141 in words is "one hundred two million, five hundred twelve thousand, one hundred forty-one".