2125949 has 16 divisors (see below), whose sum is σ = 2558976. Its totient is φ = 1728000.

The previous prime is 2125939. The next prime is 2125987. The reversal of 2125949 is 9495212.

It is a cyclic number.

It is not a de Polignac number, because 2125949 - 2⁴ = 2125933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20999 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (159936).

2^2125949 is an apocalyptic number.

It is an amenable number.

2125949 is a deficient number, since it is larger than the sum of its proper divisors (433027).

2125949 is a wasteful number, since it uses less digits than its factorization.

2125949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its digits is 6480, while the sum is 32.

The square root of 2125949 is about 1458.0634416924. The cubic root of 2125949 is about 128.5832150864.

The spelling of 2125949 in words is "two million, one hundred twenty-five thousand, nine hundred forty-nine".