10621130 has 16 divisors (see below), whose sum is σ = 20588904. Its totient is φ = 3921600.

The previous prime is 10621123. The next prime is 10621139. The reversal of 10621130 is 3112601.

It can be written as a sum of positive squares in 4 ways, for example, as 3845521 + 6775609 = 1961^2 + 2603^2 .

It is a super-2 number, since 2×10621130² = 225616804953800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10621139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40721 + ... + 40980.

Almost surely, 2^10621130 is an apocalyptic number.

10621130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10621130 is a deficient number, since it is larger than the sum of its proper divisors (9967774).

10621130 is a wasteful number, since it uses less digits than its factorization.

10621130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81721.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 10621130 is about 3259.0075176348. The cubic root of 10621130 is about 219.8147890241.

Adding to 10621130 its reverse (3112601), we get a palindrome (13733731).

The spelling of 10621130 in words is "ten million, six hundred twenty-one thousand, one hundred thirty".