2112490 has 16 divisors (see below), whose sum is σ = 3830400. Its totient is φ = 838800.

The previous prime is 2112469. The next prime is 2112493. The reversal of 2112490 is 942112.

2112490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2112490² = 8925228000200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2112493) 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 7 ways as a sum of consecutive naturals, for example, 811 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

2^2112490 is an apocalyptic number.

2112490 is a deficient number, since it is larger than the sum of its proper divisors (1717910).

2112490 is a wasteful number, since it uses less digits than its factorization.

2112490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2112490 is about 1453.4407452662. The cubic root of 2112490 is about 128.3112947294.

It can be divided in two parts, 211 and 2490, that added together give a triangular number (2701 = T₇₃).

The spelling of 2112490 in words is "two million, one hundred twelve thousand, four hundred ninety".