102337891 has 4 divisors (see below), whose sum is σ = 102411232. Its totient is φ = 102264552.

The previous prime is 102337889. The next prime is 102337901. The reversal of 102337891 is 198733201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102337891 - 2¹ = 102337889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102337831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34536 + ... + 37381.

It is an arithmetic number, because the mean of its divisors is an integer number (25602808).

Almost surely, 2^102337891 is an apocalyptic number.

102337891 is a deficient number, since it is larger than the sum of its proper divisors (73341).

102337891 is an equidigital number, since it uses as much as digits as its factorization.

102337891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73340.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 102337891 is about 10116.2192048215. The cubic root of 102337891 is about 467.7482315791.

The spelling of 102337891 in words is "one hundred two million, three hundred thirty-seven thousand, eight hundred ninety-one".