2125929 has 24 divisors (see below), whose sum is σ = 3243072. Its totient is φ = 1231200.

The previous prime is 2125927. The next prime is 2125933. The reversal of 2125929 is 9295212.

It is not a de Polignac number, because 2125929 - 2¹ = 2125927 is a prime.

It is a super-2 number, since 2×2125929² = 9039148226082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2125896 and 2125905.

It is not an unprimeable number, because it can be changed into a prime (2125927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14004 + ... + 14154.

It is an arithmetic number, because the mean of its divisors is an integer number (135128).

2^2125929 is an apocalyptic number.

It is an amenable number.

2125929 is a deficient number, since it is larger than the sum of its proper divisors (1117143).

2125929 is a wasteful number, since it uses less digits than its factorization.

2125929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 186 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 2125929 is about 1458.0565832642. The cubic root of 2125929 is about 128.5828118669.

The spelling of 2125929 in words is "two million, one hundred twenty-five thousand, nine hundred twenty-nine".