1279117498 has 8 divisors (see below), whose sum is σ = 1924846560. Its totient is φ = 637501980.

The previous prime is 1279117493. The next prime is 1279117501. The reversal of 1279117498 is 8947119721.

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

It is a super-2 number, since 2×1279117498² = 3272283147379560008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1279117493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027608 + ... + 1028851.

It is an arithmetic number, because the mean of its divisors is an integer number (240605820).

Almost surely, 2^1279117498 is an apocalyptic number.

1279117498 is a deficient number, since it is larger than the sum of its proper divisors (645729062).

1279117498 is a wasteful number, since it uses less digits than its factorization.

1279117498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056772.

The product of its digits is 254016, while the sum is 49.

The square root of 1279117498 is about 35764.7521730544. The cubic root of 1279117498 is about 1085.5174602097.

The spelling of 1279117498 in words is "one billion, two hundred seventy-nine million, one hundred seventeen thousand, four hundred ninety-eight".