2120877 has 32 divisors (see below), whose sum is σ = 3538560. Its totient is φ = 1244160.

The previous prime is 2120863. The next prime is 2120879. The reversal of 2120877 is 7780212.

It is not a de Polignac number, because 2120877 - 2⁸ = 2120621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2120877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10893 + ... + 11085.

It is an arithmetic number, because the mean of its divisors is an integer number (110580).

2^2120877 is an apocalyptic number.

2120877 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2120877 is a deficient number, since it is larger than the sum of its proper divisors (1417683).

2120877 is a wasteful number, since it uses less digits than its factorization.

2120877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2120877 is about 1456.3231097528. The cubic root of 2120877 is about 128.4808775110.

The spelling of 2120877 in words is "two million, one hundred twenty thousand, eight hundred seventy-seven".