2125390 has 16 divisors (see below), whose sum is σ = 3845232. Its totient is φ = 845824.

The previous prime is 2125373. The next prime is 2125393. The reversal of 2125390 is 935212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (240327).

2^2125390 is an apocalyptic number.

2125390 is a deficient number, since it is larger than the sum of its proper divisors (1719842).

2125390 is a wasteful number, since it uses less digits than its factorization.

2125390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2125390 is about 1457.8717364707. The cubic root of 2125390 is about 128.5719441484.

The spelling of 2125390 in words is "two million, one hundred twenty-five thousand, three hundred ninety".