128249202404 has 12 divisors (see below), whose sum is σ = 224473261824. Its totient is φ = 64113984744.

The previous prime is 128249202317. The next prime is 128249202409. The reversal of 128249202404 is 404202942821.

It is not an unprimeable number, because it can be changed into a prime (128249202409) 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, 2626904 + ... + 2675279.

It is an arithmetic number, because the mean of its divisors is an integer number (18706105152).

Almost surely, 2^128249202404 is an apocalyptic number.

It is an amenable number.

128249202404 is a deficient number, since it is larger than the sum of its proper divisors (96224059420).

128249202404 is a wasteful number, since it uses less digits than its factorization.

128249202404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308234 (or 5308232 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 128249202404 in words is "one hundred twenty-eight billion, two hundred forty-nine million, two hundred two thousand, four hundred four".