1260788510 has 48 divisors (see below), whose sum is σ = 2537760240. Its totient is φ = 449648640.

The previous prime is 1260788479. The next prime is 1260788591. The reversal of 1260788510 is 158870621.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43430 + ... + 66390.

It is an arithmetic number, because the mean of its divisors is an integer number (52870005).

Almost surely, 2^1260788510 is an apocalyptic number.

1260788510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260788510 is an abundant number, since it is smaller than the sum of its proper divisors (1276971730).

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

1260788510 is a wasteful number, since it uses less digits than its factorization.

1260788510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23021 (or 23004 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 1260788510 is about 35507.5838378226. The cubic root of 1260788510 is about 1080.3075570116.

The spelling of 1260788510 in words is "one billion, two hundred sixty million, seven hundred eighty-eight thousand, five hundred ten".