1276260834 has 16 divisors (see below), whose sum is σ = 2553456672. Its totient is φ = 425264448.

The previous prime is 1276260809. The next prime is 1276260847. The reversal of 1276260834 is 4380626721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1276260792 and 1276260801.

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, 20544 + ... + 54539.

It is an arithmetic number, because the mean of its divisors is an integer number (159591042).

Almost surely, 2^1276260834 is an apocalyptic number.

1276260834 is an abundant number, since it is smaller than the sum of its proper divisors (1277195838).

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

1276260834 is a wasteful number, since it uses less digits than its factorization.

1276260834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77921.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1276260834 is about 35724.7929875038. The cubic root of 1276260834 is about 1084.7087594221.

The spelling of 1276260834 in words is "one billion, two hundred seventy-six million, two hundred sixty thousand, eight hundred thirty-four".