1255867366 has 16 divisors (see below), whose sum is σ = 2030467824. Its totient is φ = 579128544.

The previous prime is 1255867303. The next prime is 1255867397. The reversal of 1255867366 is 6637685521.

It is a congruent number.

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, 10516 + ... + 51208.

It is an arithmetic number, because the mean of its divisors is an integer number (126904239).

Almost surely, 2^1255867366 is an apocalyptic number.

1255867366 is a deficient number, since it is larger than the sum of its proper divisors (774600458).

1255867366 is a wasteful number, since it uses less digits than its factorization.

1255867366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41895.

The product of its digits is 1814400, while the sum is 49.

The square root of 1255867366 is about 35438.2190015243. The cubic root of 1255867366 is about 1078.9001623478.

The spelling of 1255867366 in words is "one billion, two hundred fifty-five million, eight hundred sixty-seven thousand, three hundred sixty-six".