1268931704 has 8 divisors (see below), whose sum is σ = 2379246960. Its totient is φ = 634465848.

The previous prime is 1268931683. The next prime is 1268931721. The reversal of 1268931704 is 4071398621.

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

It is a super-2 number, since 2×1268931704² = 3220375338832687232, which contains 22 as substring.

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, 79308224 + ... + 79308239.

It is an arithmetic number, because the mean of its divisors is an integer number (297405870).

Almost surely, 2^1268931704 is an apocalyptic number.

It is an amenable number.

1268931704 is a deficient number, since it is larger than the sum of its proper divisors (1110315256).

1268931704 is a wasteful number, since it uses less digits than its factorization.

1268931704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158616469 (or 158616465 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1268931704 is about 35622.0676547558. The cubic root of 1268931704 is about 1082.6284014405.

The spelling of 1268931704 in words is "one billion, two hundred sixty-eight million, nine hundred thirty-one thousand, seven hundred four".