1260195520 has 56 divisors (see below), whose sum is σ = 3158794800. Its totient is φ = 477545472.

The previous prime is 1260195479. The next prime is 1260195529. The reversal of 1260195520 is 255910621.

It is not an unprimeable number, because it can be changed into a prime (1260195529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97555 + ... + 109714.

It is an arithmetic number, because the mean of its divisors is an integer number (56407050).

Almost surely, 2^1260195520 is an apocalyptic number.

1260195520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260195520 is an abundant number, since it is smaller than the sum of its proper divisors (1898599280).

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

1260195520 is a wasteful number, since it uses less digits than its factorization.

1260195520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207305 (or 207295 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1260195520 is about 35499.2326677634. The cubic root of 1260195520 is about 1080.1381624798.

The spelling of 1260195520 in words is "one billion, two hundred sixty million, one hundred ninety-five thousand, five hundred twenty".