102162040 has 64 divisors (see below), whose sum is σ = 237362400. Its totient is φ = 39555072.

The previous prime is 102162017. The next prime is 102162059. The reversal of 102162040 is 40261201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171984 + ... + 172576.

Almost surely, 2^102162040 is an apocalyptic number.

102162040 is a gapful number since it is divisible by the number (10) 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 102162040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118681200).

102162040 is an abundant number, since it is smaller than the sum of its proper divisors (135200360).

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

102162040 is a wasteful number, since it uses less digits than its factorization.

102162040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 102162040 is about 10107.5239302215. The cubic root of 102162040 is about 467.4801615877.

The spelling of 102162040 in words is "one hundred two million, one hundred sixty-two thousand, forty".