1255968901 has 8 divisors (see below), whose sum is σ = 1384274304. Its totient is φ = 1130017920.

The previous prime is 1255968881. The next prime is 1255968907. The reversal of 1255968901 is 1098695521.

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 1255968901 - 2²⁵ = 1222414469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255968907) 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, 587485 + ... + 589618.

It is an arithmetic number, because the mean of its divisors is an integer number (173034288).

Almost surely, 2^1255968901 is an apocalyptic number.

1255968901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1255968901 is a deficient number, since it is larger than the sum of its proper divisors (128305403).

1255968901 is a wasteful number, since it uses less digits than its factorization.

1255968901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177211.

The product of its (nonzero) digits is 194400, while the sum is 46.

The square root of 1255968901 is about 35439.6515360972. The cubic root of 1255968901 is about 1078.9292373863.

The spelling of 1255968901 in words is "one billion, two hundred fifty-five million, nine hundred sixty-eight thousand, nine hundred one".