1272960330 has 32 divisors (see below), whose sum is σ = 3071996928. Its totient is φ = 337579200.

The previous prime is 1272960329. The next prime is 1272960371. The reversal of 1272960330 is 330692721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1272960291 and 1272960300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111786 + ... + 122645.

It is an arithmetic number, because the mean of its divisors is an integer number (95999904).

Almost surely, 2^1272960330 is an apocalyptic number.

1272960330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272960330 is an abundant number, since it is smaller than the sum of its proper divisors (1799036598).

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

1272960330 is a wasteful number, since it uses less digits than its factorization.

1272960330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234622.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1272960330 is about 35678.5696181896. The cubic root of 1272960330 is about 1083.7729067953.

The spelling of 1272960330 in words is "one billion, two hundred seventy-two million, nine hundred sixty thousand, three hundred thirty".