1272314553 has 8 divisors (see below), whose sum is σ = 1716858528. Its totient is φ = 837990144.

The previous prime is 1272314551. The next prime is 1272314557. The reversal of 1272314553 is 3554132721.

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

It is not a de Polignac number, because 1272314553 - 2¹ = 1272314551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1272314551) 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, 2554600 + ... + 2555097.

It is an arithmetic number, because the mean of its divisors is an integer number (214607316).

Almost surely, 2^1272314553 is an apocalyptic number.

It is an amenable number.

1272314553 is a deficient number, since it is larger than the sum of its proper divisors (444543975).

1272314553 is an equidigital number, since it uses as much as digits as its factorization.

1272314553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109783.

The product of its digits is 25200, while the sum is 33.

The square root of 1272314553 is about 35669.5185417465. The cubic root of 1272314553 is about 1083.5896085984.

The spelling of 1272314553 in words is "one billion, two hundred seventy-two million, three hundred fourteen thousand, five hundred fifty-three".