1255262915 has 16 divisors (see below), whose sum is σ = 1604160288. Its totient is φ = 939664896.

The previous prime is 1255262909. The next prime is 1255262977. The reversal of 1255262915 is 5192625521.

It is a cyclic number.

It is not a de Polignac number, because 1255262915 - 2¹⁸ = 1255000771 is a prime.

It is a super-3 number, since 3×1255262915³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27977 + ... + 57386.

It is an arithmetic number, because the mean of its divisors is an integer number (100260018).

Almost surely, 2^1255262915 is an apocalyptic number.

1255262915 is a deficient number, since it is larger than the sum of its proper divisors (348897373).

1255262915 is a wasteful number, since it uses less digits than its factorization.

1255262915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85558.

The product of its digits is 54000, while the sum is 38.

The square root of 1255262915 is about 35429.6897389746. The cubic root of 1255262915 is about 1078.7270424379.

The spelling of 1255262915 in words is "one billion, two hundred fifty-five million, two hundred sixty-two thousand, nine hundred fifteen".