1260072705 has 8 divisors (see below), whose sum is σ = 2016116352. Its totient is φ = 672038768.

The previous prime is 1260072689. The next prime is 1260072719. The reversal of 1260072705 is 5072700621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1260072705 - 2⁴ = 1260072689 is a prime.

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, 42002409 + ... + 42002438.

It is an arithmetic number, because the mean of its divisors is an integer number (252014544).

Almost surely, 2^1260072705 is an apocalyptic number.

1260072705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1260072705 is a deficient number, since it is larger than the sum of its proper divisors (756043647).

1260072705 is an equidigital number, since it uses as much as digits as its factorization.

1260072705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84004855.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1260072705 is about 35497.5027994928. The cubic root of 1260072705 is about 1080.1030722958.

The spelling of 1260072705 in words is "one billion, two hundred sixty million, seventy-two thousand, seven hundred five".