1276230500 has 24 divisors (see below), whose sum is σ = 2787288504. Its totient is φ = 510492000.

The previous prime is 1276230491. The next prime is 1276230517. The reversal of 1276230500 is 50326721.

It can be written as a sum of positive squares in 4 ways, for example, as 1597696 + 1274632804 = 1264^2 + 35702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1276230500.

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, 1275731 + ... + 1276730.

It is an arithmetic number, because the mean of its divisors is an integer number (116137021).

Almost surely, 2^1276230500 is an apocalyptic number.

1276230500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1276230500 is an abundant number, since it is smaller than the sum of its proper divisors (1511058004).

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

1276230500 is a wasteful number, since it uses less digits than its factorization.

1276230500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552480 (or 2552468 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1276230500 is about 35724.3684338856. The cubic root of 1276230500 is about 1084.7001656156.

The spelling of 1276230500 in words is "one billion, two hundred seventy-six million, two hundred thirty thousand, five hundred".