102131241 has 16 divisors (see below), whose sum is σ = 138098688. Its totient is φ = 67132800.

The previous prime is 102131233. The next prime is 102131269. The reversal of 102131241 is 142131201.

It is not a de Polignac number, because 102131241 - 2³ = 102131233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102131241.

It is not an unprimeable number, because it can be changed into a prime (102131231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68221 + ... + 69701.

It is an arithmetic number, because the mean of its divisors is an integer number (8631168).

Almost surely, 2^102131241 is an apocalyptic number.

It is an amenable number.

102131241 is a deficient number, since it is larger than the sum of its proper divisors (35967447).

102131241 is a wasteful number, since it uses less digits than its factorization.

102131241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 102131241 is about 10106.0002473778. Note that the first 3 decimals coincide. The cubic root of 102131241 is about 467.4331794647.

Adding to 102131241 its reverse (142131201), we get a palindrome (244262442).

The spelling of 102131241 in words is "one hundred two million, one hundred thirty-one thousand, two hundred forty-one".