10979021 has 4 divisors (see below), whose sum is σ = 11246844. Its totient is φ = 10711200.

The previous prime is 10979009. The next prime is 10979041. The reversal of 10979021 is 12097901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12097901 = 29 ⋅417169.

It can be written as a sum of positive squares in 2 ways, for example, as 2044900 + 8934121 = 1430^2 + 2989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10979021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10979041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133850 + ... + 133931.

It is an arithmetic number, because the mean of its divisors is an integer number (2811711).

Almost surely, 2^10979021 is an apocalyptic number.

It is an amenable number.

10979021 is a deficient number, since it is larger than the sum of its proper divisors (267823).

10979021 is an equidigital number, since it uses as much as digits as its factorization.

10979021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267822.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 10979021 is about 3313.4605777042. The cubic root of 10979021 is about 222.2565345998.

The spelling of 10979021 in words is "ten million, nine hundred seventy-nine thousand, twenty-one".