10621118 has 4 divisors (see below), whose sum is σ = 15931680. Its totient is φ = 5310558.

The previous prime is 10621097. The next prime is 10621123. The reversal of 10621118 is 81112601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81112601 = 71 ⋅1142431.

It is a super-2 number, since 2×10621118² = 225616295139848, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10621118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655278 + ... + 2655281.

It is an arithmetic number, because the mean of its divisors is an integer number (3982920).

Almost surely, 2^10621118 is an apocalyptic number.

10621118 is a deficient number, since it is larger than the sum of its proper divisors (5310562).

10621118 is an equidigital number, since it uses as much as digits as its factorization.

10621118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310561.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 10621118 is about 3259.0056765830. The cubic root of 10621118 is about 219.8147062401.

Adding to 10621118 its reverse (81112601), we get a palindrome (91733719).

The spelling of 10621118 in words is "ten million, six hundred twenty-one thousand, one hundred eighteen".