1264634104 has 8 divisors (see below), whose sum is σ = 2371188960. Its totient is φ = 632317048.

The previous prime is 1264634099. The next prime is 1264634141. The reversal of 1264634104 is 4014364621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79039624 + ... + 79039639.

It is an arithmetic number, because the mean of its divisors is an integer number (296398620).

Almost surely, 2^1264634104 is an apocalyptic number.

It is an amenable number.

1264634104 is a deficient number, since it is larger than the sum of its proper divisors (1106554856).

1264634104 is a wasteful number, since it uses less digits than its factorization.

1264634104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158079269 (or 158079265 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1264634104 is about 35561.6943353378. The cubic root of 1264634104 is about 1081.4048088497.

Adding to 1264634104 its reverse (4014364621), we get a palindrome (5278998725).

The spelling of 1264634104 in words is "one billion, two hundred sixty-four million, six hundred thirty-four thousand, one hundred four".