1264411431 has 32 divisors (see below), whose sum is σ = 2029547520. Its totient is φ = 774893952.

The previous prime is 1264411409. The next prime is 1264411441. The reversal of 1264411431 is 1341144621.

1264411431 is a `hidden beast` number, since 1 + 2 + 644 + 1 + 14 + 3 + 1 = 666.

It is not a de Polignac number, because 1264411431 - 2⁵ = 1264411399 is a prime.

It is a super-2 number, since 2×1264411431² = 3197472533686935522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1264411395 and 1264411404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264411441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12295 + ... + 51768.

It is an arithmetic number, because the mean of its divisors is an integer number (63423360).

Almost surely, 2^1264411431 is an apocalyptic number.

1264411431 is a deficient number, since it is larger than the sum of its proper divisors (765136089).

1264411431 is a wasteful number, since it uses less digits than its factorization.

1264411431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64132 (or 64126 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1264411431 is about 35558.5633989901. The cubic root of 1264411431 is about 1081.3413349466.

The spelling of 1264411431 in words is "one billion, two hundred sixty-four million, four hundred eleven thousand, four hundred thirty-one".