1264717461 has 16 divisors (see below), whose sum is σ = 1979275904. Its totient is φ = 703162944.

The previous prime is 1264717417. The next prime is 1264717469. The reversal of 1264717461 is 1647174621.

It is not a de Polignac number, because 1264717461 - 2¹⁸ = 1264455317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264717469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813070 + ... + 814623.

It is an arithmetic number, because the mean of its divisors is an integer number (123704744).

Almost surely, 2^1264717461 is an apocalyptic number.

It is an amenable number.

1264717461 is a deficient number, since it is larger than the sum of its proper divisors (714558443).

1264717461 is a wasteful number, since it uses less digits than its factorization.

1264717461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627740.

The product of its digits is 56448, while the sum is 39.

The square root of 1264717461 is about 35562.8663214876. The cubic root of 1264717461 is about 1081.4285682069.

It can be divided in two parts, 1 and 264717461, that added together give a palindrome (264717462).

The spelling of 1264717461 in words is "one billion, two hundred sixty-four million, seven hundred seventeen thousand, four hundred sixty-one".