1051312630 has 16 divisors (see below), whose sum is σ = 1909725840. Its totient is φ = 416666592.

The previous prime is 1051312627. The next prime is 1051312631. The reversal of 1051312630 is 362131501.

It is a happy number.

1051312630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051312630² = 2210516491995033800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051312631) 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, 481164 + ... + 483343.

It is an arithmetic number, because the mean of its divisors is an integer number (119357865).

Almost surely, 2^1051312630 is an apocalyptic number.

1051312630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051312630 is a deficient number, since it is larger than the sum of its proper divisors (858413210).

1051312630 is a wasteful number, since it uses less digits than its factorization.

1051312630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964623.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1051312630 is about 32423.9514865169. The cubic root of 1051312630 is about 1016.8197208732.

The spelling of 1051312630 in words is "one billion, fifty-one million, three hundred twelve thousand, six hundred thirty".