1268598479 has 8 divisors (see below), whose sum is σ = 1363779840. Its totient is φ = 1176258456.

The previous prime is 1268598473. The next prime is 1268598493. The reversal of 1268598479 is 9748958621.

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

It is a cyclic number.

It is not a de Polignac number, because 1268598479 - 2⁸ = 1268598223 is a prime.

It is a super-2 number, since 2×1268598479² = 3218684201842226882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268598473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709409 + ... + 711194.

It is an arithmetic number, because the mean of its divisors is an integer number (170472480).

Almost surely, 2^1268598479 is an apocalyptic number.

1268598479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1268598479 is a deficient number, since it is larger than the sum of its proper divisors (95181361).

1268598479 is a wasteful number, since it uses less digits than its factorization.

1268598479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420669.

The product of its digits is 8709120, while the sum is 59.

The square root of 1268598479 is about 35617.3901205577. The cubic root of 1268598479 is about 1082.5336260660.

The spelling of 1268598479 in words is "one billion, two hundred sixty-eight million, five hundred ninety-eight thousand, four hundred seventy-nine".