1264727433 has 8 divisors (see below), whose sum is σ = 1686563200. Its totient is φ = 843021648.

The previous prime is 1264727423. The next prime is 1264727449. The reversal of 1264727433 is 3347274621.

It is a happy number.

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

It is not a de Polignac number, because 1264727433 - 2¹⁰ = 1264726409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1264727391 and 1264727400.

It is not an unprimeable number, because it can be changed into a prime (1264727413) 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, 6913 + ... + 50766.

It is an arithmetic number, because the mean of its divisors is an integer number (210820400).

Almost surely, 2^1264727433 is an apocalyptic number.

It is an amenable number.

1264727433 is a deficient number, since it is larger than the sum of its proper divisors (421835767).

1264727433 is an equidigital number, since it uses as much as digits as its factorization.

1264727433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64991.

The product of its digits is 169344, while the sum is 39.

The square root of 1264727433 is about 35563.0065236335. The cubic root of 1264727433 is about 1081.4314104695.

The spelling of 1264727433 in words is "one billion, two hundred sixty-four million, seven hundred twenty-seven thousand, four hundred thirty-three".