2125178472 has 64 divisors (see below), whose sum is σ = 5693834880. Its totient is φ = 659273472.

The previous prime is 2125178441. The next prime is 2125178501. The reversal of 2125178472 is 2748715212.

It is a self number, because there is not a number n which added to its sum of digits gives 2125178472.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31603 + ... + 72450.

It is an arithmetic number, because the mean of its divisors is an integer number (88966170).

Almost surely, 2^2125178472 is an apocalyptic number.

It is an amenable number.

2125178472 is an abundant number, since it is smaller than the sum of its proper divisors (3568656408).

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

2125178472 is a wasteful number, since it uses less digits than its factorization.

2125178472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104122 (or 104118 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 2125178472 is about 46099.6580464541. The cubic root of 2125178472 is about 1285.6767866171.

The spelling of 2125178472 in words is "two billion, one hundred twenty-five million, one hundred seventy-eight thousand, four hundred seventy-two".