1327123660 has 24 divisors (see below), whose sum is σ = 2796889536. Its totient is φ = 528958080.

The previous prime is 1327123619. The next prime is 1327123661. The reversal of 1327123660 is 663217231.

It is a super-2 number, since 2×1327123660² = 3522514417863591200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1327123661) 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, 112452 + ... + 123691.

It is an arithmetic number, because the mean of its divisors is an integer number (116537064).

Almost surely, 2^1327123660 is an apocalyptic number.

1327123660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327123660 is an abundant number, since it is smaller than the sum of its proper divisors (1469765876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1327123660 is a wasteful number, since it uses less digits than its factorization.

1327123660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236433 (or 236431 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1327123660 is about 36429.7084808539. The cubic root of 1327123660 is about 1098.9310993970.

The spelling of 1327123660 in words is "one billion, three hundred twenty-seven million, one hundred twenty-three thousand, six hundred sixty".