1276616494 has 8 divisors (see below), whose sum is σ = 1941895728. Its totient is φ = 629317920.

The previous prime is 1276616477. The next prime is 1276616501. The reversal of 1276616494 is 4946166721.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4494987 + ... + 4495270.

It is an arithmetic number, because the mean of its divisors is an integer number (242736966).

Almost surely, 2^1276616494 is an apocalyptic number.

1276616494 is a deficient number, since it is larger than the sum of its proper divisors (665279234).

1276616494 is an equidigital number, since it uses as much as digits as its factorization.

1276616494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990330.

The product of its digits is 435456, while the sum is 46.

The square root of 1276616494 is about 35729.7704162789. The cubic root of 1276616494 is about 1084.8095099052.

The spelling of 1276616494 in words is "one billion, two hundred seventy-six million, six hundred sixteen thousand, four hundred ninety-four".