1279131010 has 16 divisors (see below), whose sum is σ = 2305195200. Its totient is φ = 511039216.

The previous prime is 1279130999. The next prime is 1279131013. The reversal of 1279131010 is 101319721.

It is a super-2 number, since 2×1279131010² = 3272352281487240200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1279131013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67840 + ... + 84619.

It is an arithmetic number, because the mean of its divisors is an integer number (144074700).

Almost surely, 2^1279131010 is an apocalyptic number.

1279131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1279131010 is a deficient number, since it is larger than the sum of its proper divisors (1026064190).

1279131010 is a wasteful number, since it uses less digits than its factorization.

1279131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153305.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1279131010 is about 35764.9410736268. The cubic root of 1279131010 is about 1085.5212824961.

The spelling of 1279131010 in words is "one billion, two hundred seventy-nine million, one hundred thirty-one thousand, ten".