102561152 has 32 divisors (see below), whose sum is σ = 206223600. Its totient is φ = 50803200.

The previous prime is 102561143. The next prime is 102561167. The reversal of 102561152 is 251165201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10277 + ... + 17627.

Almost surely, 2^102561152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102561152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103111800).

102561152 is an abundant number, since it is smaller than the sum of its proper divisors (103662448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102561152 is an equidigital number, since it uses as much as digits as its factorization.

102561152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474 (or 7462 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 102561152 is about 10127.2479973584. The cubic root of 102561152 is about 468.0881320374.

The spelling of 102561152 in words is "one hundred two million, five hundred sixty-one thousand, one hundred fifty-two".