1312243954 has 8 divisors (see below), whose sum is σ = 2249561088. Its totient is φ = 562390260.

The previous prime is 1312243937. The next prime is 1312243973. The reversal of 1312243954 is 4593422131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46865842 + ... + 46865869.

It is an arithmetic number, because the mean of its divisors is an integer number (281195136).

Almost surely, 2^1312243954 is an apocalyptic number.

1312243954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312243954 is a deficient number, since it is larger than the sum of its proper divisors (937317134).

1312243954 is an equidigital number, since it uses as much as digits as its factorization.

1312243954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93731720.

The product of its digits is 25920, while the sum is 34.

The square root of 1312243954 is about 36224.9079225883. The cubic root of 1312243954 is about 1094.8085829856.

The spelling of 1312243954 in words is "one billion, three hundred twelve million, two hundred forty-three thousand, nine hundred fifty-four".