1295708985 has 24 divisors (see below), whose sum is σ = 2250044160. Its totient is φ = 689768352.

The previous prime is 1295708969. The next prime is 1295709013. The reversal of 1295708985 is 5898075921.

It is not a de Polignac number, because 1295708985 - 2⁴ = 1295708969 is a prime.

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, 1705 + ... + 50934.

It is an arithmetic number, because the mean of its divisors is an integer number (93751840).

Almost surely, 2^1295708985 is an apocalyptic number.

1295708985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1295708985 is a deficient number, since it is larger than the sum of its proper divisors (954335175).

1295708985 is a wasteful number, since it uses less digits than its factorization.

1295708985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53197 (or 53194 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The square root of 1295708985 is about 35995.9578980752. The cubic root of 1295708985 is about 1090.1907432093.

The spelling of 1295708985 in words is "one billion, two hundred ninety-five million, seven hundred eight thousand, nine hundred eighty-five".