2120590 has 16 divisors (see below), whose sum is σ = 4018320. Its totient is φ = 803520.

The previous prime is 2120579. The next prime is 2120611. The reversal of 2120590 is 950212.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5391 + ... + 5770.

It is an arithmetic number, because the mean of its divisors is an integer number (251145).

2^2120590 is an apocalyptic number.

2120590 is a deficient number, since it is larger than the sum of its proper divisors (1897730).

2120590 is a wasteful number, since it uses less digits than its factorization.

2120590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2120590 is about 1456.2245705934. The cubic root of 2120590 is about 128.4750818464.

Adding to 2120590 its product of nonzero digits (180), we get a triangular number (2120770 = T₂₀₅₉).

The spelling of 2120590 in words is "two million, one hundred twenty thousand, five hundred ninety".