102193959 has 24 divisors (see below), whose sum is σ = 161205120. Its totient is φ = 57401904.

The previous prime is 102193957. The next prime is 102193981. The reversal of 102193959 is 959391201.

It is not a de Polignac number, because 102193959 - 2¹ = 102193957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102193957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2782 + ... + 14564.

It is an arithmetic number, because the mean of its divisors is an integer number (6716880).

Almost surely, 2^102193959 is an apocalyptic number.

102193959 is a deficient number, since it is larger than the sum of its proper divisors (59011161).

102193959 is a wasteful number, since it uses less digits than its factorization.

102193959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11859 (or 11852 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 102193959 is about 10109.1027791788. The cubic root of 102193959 is about 467.5288422443.

The spelling of 102193959 in words is "one hundred two million, one hundred ninety-three thousand, nine hundred fifty-nine".