2126990 has 16 divisors (see below), whose sum is σ = 3849552. Its totient is φ = 846144.

The previous prime is 2126963. The next prime is 2127007. The reversal of 2126990 is 996212.

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, 1802 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (240597).

2^2126990 is an apocalyptic number.

2126990 is a deficient number, since it is larger than the sum of its proper divisors (1722562).

2126990 is a wasteful number, since it uses less digits than its factorization.

2126990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2126990 is about 1458.4203783546. The cubic root of 2126990 is about 128.6041991716.

The spelling of 2126990 in words is "two million, one hundred twenty-six thousand, nine hundred ninety".