102555192 has 64 divisors (see below), whose sum is σ = 266112000. Its totient is φ = 32901120.

The previous prime is 102555181. The next prime is 102555197. The reversal of 102555192 is 291555201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102555197) 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, 228184 + ... + 228632.

It is an arithmetic number, because the mean of its divisors is an integer number (4158000).

Almost surely, 2^102555192 is an apocalyptic number.

102555192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102555192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133056000).

102555192 is an abundant number, since it is smaller than the sum of its proper divisors (163556808).

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

102555192 is a wasteful number, since it uses less digits than its factorization.

102555192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 102555192 is about 10126.9537374277. The cubic root of 102555192 is about 468.0790647338.

The spelling of 102555192 in words is "one hundred two million, five hundred fifty-five thousand, one hundred ninety-two".