102151124 has 6 divisors (see below), whose sum is σ = 178764474. Its totient is φ = 51075560.

The previous prime is 102151123. The next prime is 102151139. The reversal of 102151124 is 421151201.

It can be written as a sum of positive squares in only one way, i.e., 93741124 + 8410000 = 9682^2 + 2900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102151123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12768887 + ... + 12768894.

It is an arithmetic number, because the mean of its divisors is an integer number (29794079).

Almost surely, 2^102151124 is an apocalyptic number.

It is an amenable number.

102151124 is a deficient number, since it is larger than the sum of its proper divisors (76613350).

102151124 is a wasteful number, since it uses less digits than its factorization.

102151124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25537785 (or 25537783 counting only the distinct ones).

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

The square root of 102151124 is about 10106.9839220214. The cubic root of 102151124 is about 467.4635109309.

The spelling of 102151124 in words is "one hundred two million, one hundred fifty-one thousand, one hundred twenty-four".