2126642 has 8 divisors (see below), whose sum is σ = 3645696. Its totient is φ = 911412.

The previous prime is 2126639. The next prime is 2126659. The reversal of 2126642 is 2466212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75938 + ... + 75965.

It is an arithmetic number, because the mean of its divisors is an integer number (455712).

2^2126642 is an apocalyptic number.

2126642 is a deficient number, since it is larger than the sum of its proper divisors (1519054).

2126642 is a wasteful number, since it uses less digits than its factorization.

2126642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151912.

The product of its digits is 1152, while the sum is 23.

The square root of 2126642 is about 1458.3010663097. The cubic root of 2126642 is about 128.5971850809.

The spelling of 2126642 in words is "two million, one hundred twenty-six thousand, six hundred forty-two".