1270328826 has 16 divisors (see below), whose sum is σ = 2736093024. Its totient is φ = 390870384.

The previous prime is 1270328797. The next prime is 1270328863. The reversal of 1270328826 is 6288230721.

It is a super-2 number, since 2×1270328826² = 3227470652333076552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon 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, 8143056 + ... + 8143211.

It is an arithmetic number, because the mean of its divisors is an integer number (171005814).

Almost surely, 2^1270328826 is an apocalyptic number.

1270328826 is an abundant number, since it is smaller than the sum of its proper divisors (1465764198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270328826 is a wasteful number, since it uses less digits than its factorization.

1270328826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286285.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1270328826 is about 35641.6726038496. The cubic root of 1270328826 is about 1083.0255883471.

The spelling of 1270328826 in words is "one billion, two hundred seventy million, three hundred twenty-eight thousand, eight hundred twenty-six".