1272616683 has 8 divisors (see below), whose sum is σ = 1827347088. Its totient is φ = 783148704.

The previous prime is 1272616679. The next prime is 1272616727. The reversal of 1272616683 is 3866162721.

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

It is not a de Polignac number, because 1272616683 - 2² = 1272616679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1272616633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16315560 + ... + 16315637.

It is an arithmetic number, because the mean of its divisors is an integer number (228418386).

Almost surely, 2^1272616683 is an apocalyptic number.

1272616683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1272616683 is a deficient number, since it is larger than the sum of its proper divisors (554730405).

1272616683 is a wasteful number, since it uses less digits than its factorization.

1272616683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32631213.

The product of its digits is 145152, while the sum is 42.

The square root of 1272616683 is about 35673.7534190054. The cubic root of 1272616683 is about 1083.6753732958.

The spelling of 1272616683 in words is "one billion, two hundred seventy-two million, six hundred sixteen thousand, six hundred eighty-three".