102193240 has 16 divisors (see below), whose sum is σ = 229934880. Its totient is φ = 40877280.

The previous prime is 102193219. The next prime is 102193243. The reversal of 102193240 is 42391201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102193243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277376 + ... + 1277455.

It is an arithmetic number, because the mean of its divisors is an integer number (14370930).

Almost surely, 2^102193240 is an apocalyptic number.

102193240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102193240 is an abundant number, since it is smaller than the sum of its proper divisors (127741640).

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

102193240 is a wasteful number, since it uses less digits than its factorization.

102193240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554842 (or 2554838 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 102193240 is about 10109.0672171076. The cubic root of 102193240 is about 467.5277457867.

The spelling of 102193240 in words is "one hundred two million, one hundred ninety-three thousand, two hundred forty".