102151161 has 24 divisors (see below), whose sum is σ = 169378560. Its totient is φ = 58113216.

The previous prime is 102151139. The next prime is 102151223. The reversal of 102151161 is 161151201.

It is a happy number.

It is not a de Polignac number, because 102151161 - 2⁷ = 102151033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102155161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11200 + ... + 18158.

It is an arithmetic number, because the mean of its divisors is an integer number (7057440).

Almost surely, 2^102151161 is an apocalyptic number.

It is an amenable number.

102151161 is a deficient number, since it is larger than the sum of its proper divisors (67227399).

102151161 is a wasteful number, since it uses less digits than its factorization.

102151161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205 (or 7202 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 102151161 is about 10106.9857524388. The cubic root of 102151161 is about 467.4635673707.

The spelling of 102151161 in words is "one hundred two million, one hundred fifty-one thousand, one hundred sixty-one".