1270726798 has 16 divisors (see below), whose sum is σ = 2127730176. Its totient is φ = 564170040.

The previous prime is 1270726789. The next prime is 1270726819. The reversal of 1270726798 is 8976270721.

It is a super-2 number, since 2×1270726798² = 3229493190310665608, 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 in 7 ways as a sum of consecutive naturals, for example, 670686 + ... + 672577.

It is an arithmetic number, because the mean of its divisors is an integer number (132983136).

Almost surely, 2^1270726798 is an apocalyptic number.

1270726798 is a deficient number, since it is larger than the sum of its proper divisors (857003378).

1270726798 is a wasteful number, since it uses less digits than its factorization.

1270726798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343319.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 1270726798 is about 35647.2551257457. The cubic root of 1270726798 is about 1083.1386742529.

The spelling of 1270726798 in words is "one billion, two hundred seventy million, seven hundred twenty-six thousand, seven hundred ninety-eight".