2120956 has 12 divisors (see below), whose sum is σ = 3735592. Its totient is φ = 1053648.

The previous prime is 2120947. The next prime is 2120957. The reversal of 2120956 is 6590212.

2120956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2120956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120957) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 975 + ... + 2278.

2^2120956 is an apocalyptic number.

It is an amenable number.

2120956 is a deficient number, since it is larger than the sum of its proper divisors (1614636).

2120956 is a wasteful number, since it uses less digits than its factorization.

2120956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2120956 is about 1456.3502326020. The cubic root of 2120956 is about 128.4824727415.

The spelling of 2120956 in words is "two million, one hundred twenty thousand, nine hundred fifty-six".