2125145402 has 16 divisors (see below), whose sum is σ = 3360670560. Its totient is φ = 1005094512.

The previous prime is 2125145359. The next prime is 2125145411. The reversal of 2125145402 is 2045415212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18008 + ... + 67635.

It is an arithmetic number, because the mean of its divisors is an integer number (210041910).

Almost surely, 2^2125145402 is an apocalyptic number.

2125145402 is a deficient number, since it is larger than the sum of its proper divisors (1235525158).

2125145402 is a wasteful number, since it uses less digits than its factorization.

2125145402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86317.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2125145402 is about 46099.2993656086. The cubic root of 2125145402 is about 1285.6701177573.

The spelling of 2125145402 in words is "two billion, one hundred twenty-five million, one hundred forty-five thousand, four hundred two".