1312651055 has 16 divisors (see below), whose sum is σ = 1659640320. Its totient is φ = 994702368.

The previous prime is 1312651049. The next prime is 1312651061. The reversal of 1312651055 is 5501562131.

It is an interprime number because it is at equal distance from previous prime (1312651049) and next prime (1312651061).

It is a cyclic number.

It is not a de Polignac number, because 1312651055 - 2⁸ = 1312650799 is a prime.

It is a super-2 number, since 2×1312651055² = 3446105584385226050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43565 + ... + 67254.

It is an arithmetic number, because the mean of its divisors is an integer number (103727520).

Almost surely, 2^1312651055 is an apocalyptic number.

1312651055 is a deficient number, since it is larger than the sum of its proper divisors (346989265).

1312651055 is a wasteful number, since it uses less digits than its factorization.

1312651055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110950.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1312651055 is about 36230.5265625550. The cubic root of 1312651055 is about 1094.9217864251.

The spelling of 1312651055 in words is "one billion, three hundred twelve million, six hundred fifty-one thousand, fifty-five".