2123125404 has 24 divisors (see below), whose sum is σ = 5002058880. Its totient is φ = 700837104.

The previous prime is 2123125397. The next prime is 2123125439. The reversal of 2123125404 is 4045213212.

2123125404 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2123125404² = 9015322962220326432, which contains 22 as substring.

It is a congruent number.

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, 857634 + ... + 860105.

It is an arithmetic number, because the mean of its divisors is an integer number (208419120).

Almost surely, 2^2123125404 is an apocalyptic number.

It is an amenable number.

2123125404 is an abundant number, since it is smaller than the sum of its proper divisors (2878933476).

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

2123125404 is a wasteful number, since it uses less digits than its factorization.

2123125404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717849 (or 1717847 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2123125404 is about 46077.3849518394. The cubic root of 2123125404 is about 1285.2626359366.

Adding to 2123125404 its reverse (4045213212), we get a palindrome (6168338616).

The spelling of 2123125404 in words is "two billion, one hundred twenty-three million, one hundred twenty-five thousand, four hundred four".