102489192 has 256 divisors, whose sum is σ = 344736000. Its totient is φ = 27869184.

The previous prime is 102489181. The next prime is 102489229. The reversal of 102489192 is 291984201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 906928 + ... + 907040.

It is an arithmetic number, because the mean of its divisors is an integer number (1346625).

Almost surely, 2^102489192 is an apocalyptic number.

102489192 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 102489192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172368000).

102489192 is an abundant number, since it is smaller than the sum of its proper divisors (242246808).

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

102489192 is a wasteful number, since it uses less digits than its factorization.

102489192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 102489192 is about 10123.6945825128. The cubic root of 102489192 is about 467.9786315030.

The spelling of 102489192 in words is "one hundred two million, four hundred eighty-nine thousand, one hundred ninety-two".