128102337 has 48 divisors (see below), whose sum is σ = 211055040. Its totient is φ = 76728960.

The previous prime is 128102321. The next prime is 128102339. The reversal of 128102337 is 733201821.

It is not a de Polignac number, because 128102337 - 2⁴ = 128102321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 128102337.

It is not an unprimeable number, because it can be changed into a prime (128102339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 368998 + ... + 369344.

It is an arithmetic number, because the mean of its divisors is an integer number (4396980).

Almost surely, 2^128102337 is an apocalyptic number.

It is an amenable number.

128102337 is a deficient number, since it is larger than the sum of its proper divisors (82952703).

128102337 is a wasteful number, since it uses less digits than its factorization.

128102337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 128102337 is about 11318.2302945293. The cubic root of 128102337 is about 504.1026930765.

The spelling of 128102337 in words is "one hundred twenty-eight million, one hundred two thousand, three hundred thirty-seven".