1268768372 has 24 divisors (see below), whose sum is σ = 2299503360. Its totient is φ = 611902080.

The previous prime is 1268768353. The next prime is 1268768399. The reversal of 1268768372 is 2738678621.

It is a self number, because there is not a number n which added to its sum of digits gives 1268768372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21404 + ... + 54732.

It is an arithmetic number, because the mean of its divisors is an integer number (95812640).

Almost surely, 2^1268768372 is an apocalyptic number.

It is an amenable number.

1268768372 is a deficient number, since it is larger than the sum of its proper divisors (1030734988).

1268768372 is a wasteful number, since it uses less digits than its factorization.

1268768372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33671 (or 33669 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 1268768372 is about 35619.7750133265. The cubic root of 1268768372 is about 1082.5819488618.

The spelling of 1268768372 in words is "one billion, two hundred sixty-eight million, seven hundred sixty-eight thousand, three hundred seventy-two".