1268264758 has 8 divisors (see below), whose sum is σ = 1985110128. Its totient is φ = 606561384.

The previous prime is 1268264741. The next prime is 1268264771. The reversal of 1268264758 is 8574628621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13785441 + ... + 13785532.

It is an arithmetic number, because the mean of its divisors is an integer number (248138766).

Almost surely, 2^1268264758 is an apocalyptic number.

1268264758 is a deficient number, since it is larger than the sum of its proper divisors (716845370).

1268264758 is a wasteful number, since it uses less digits than its factorization.

1268264758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27570998.

The product of its digits is 1290240, while the sum is 49.

The square root of 1268264758 is about 35612.7050081849. The cubic root of 1268264758 is about 1082.4386929848.

The spelling of 1268264758 in words is "one billion, two hundred sixty-eight million, two hundred sixty-four thousand, seven hundred fifty-eight".