2125290 has 16 divisors (see below), whose sum is σ = 5100768. Its totient is φ = 566736.

The previous prime is 2125273. The next prime is 2125313. The reversal of 2125290 is 925212.

2125290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35392 + ... + 35451.

It is an arithmetic number, because the mean of its divisors is an integer number (318798).

2^2125290 is an apocalyptic number.

2125290 is an abundant number, since it is smaller than the sum of its proper divisors (2975478).

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

2125290 is a wasteful number, since it uses less digits than its factorization.

2125290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70853.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2125290 is about 1457.8374394973. The cubic root of 2125290 is about 128.5699276721.

It can be divided in two parts, 2125 and 290, that added together give a triangular number (2415 = T₆₉).

The spelling of 2125290 in words is "two million, one hundred twenty-five thousand, two hundred ninety".