128370942 has 24 divisors (see below), whose sum is σ = 317871216. Its totient is φ = 36677376.

The previous prime is 128370883. The next prime is 128370943. The reversal of 128370942 is 249073821.

It is a junction number, because it is equal to n+sod(n) for n = 128370897 and 128370906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128370943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509283 + ... + 509534.

It is an arithmetic number, because the mean of its divisors is an integer number (13244634).

Almost surely, 2^128370942 is an apocalyptic number.

128370942 is an abundant number, since it is smaller than the sum of its proper divisors (189500274).

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

128370942 is a wasteful number, since it uses less digits than its factorization.

128370942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018832 (or 1018829 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 128370942 is about 11330.0901143813. The cubic root of 128370942 is about 504.4547813064.

The spelling of 128370942 in words is "one hundred twenty-eight million, three hundred seventy thousand, nine hundred forty-two".