1264631104 has 28 divisors (see below), whose sum is σ = 2737640448. Its totient is φ = 574832000.

The previous prime is 1264631041. The next prime is 1264631107. The reversal of 1264631104 is 4011364621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264631107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897472 + ... + 898879.

Almost surely, 2^1264631104 is an apocalyptic number.

It is an amenable number.

1264631104 is an abundant number, since it is smaller than the sum of its proper divisors (1473009344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264631104 is a wasteful number, since it uses less digits than its factorization.

1264631104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796374 (or 1796364 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1264631104 is about 35561.6521550954. The cubic root of 1264631104 is about 1081.4039537362.

Adding to 1264631104 its reverse (4011364621), we get a palindrome (5275995725).

The spelling of 1264631104 in words is "one billion, two hundred sixty-four million, six hundred thirty-one thousand, one hundred four".