1276125080 has 32 divisors (see below), whose sum is σ = 2873219040. Its totient is φ = 510105600.

The previous prime is 1276125049. The next prime is 1276125089. The reversal of 1276125080 is 805216721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276125089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54077 + ... + 74003.

It is an arithmetic number, because the mean of its divisors is an integer number (89788095).

Almost surely, 2^1276125080 is an apocalyptic number.

1276125080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1276125080 is an abundant number, since it is smaller than the sum of its proper divisors (1597093960).

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

1276125080 is a wasteful number, since it uses less digits than its factorization.

1276125080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539 (or 21535 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1276125080 is about 35722.8929399622. The cubic root of 1276125080 is about 1084.6702984298.

The spelling of 1276125080 in words is "one billion, two hundred seventy-six million, one hundred twenty-five thousand, eighty".