1255894955 has 16 divisors (see below), whose sum is σ = 1723120320. Its totient is φ = 860810112.

The previous prime is 1255894933. The next prime is 1255894957. The reversal of 1255894955 is 5594985521.

It is a cyclic number.

It is not a de Polignac number, because 1255894955 - 2¹² = 1255890859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255894897 and 1255894906.

It is not an unprimeable number, because it can be changed into a prime (1255894957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91481 + ... + 104309.

It is an arithmetic number, because the mean of its divisors is an integer number (107695020).

Almost surely, 2^1255894955 is an apocalyptic number.

1255894955 is a deficient number, since it is larger than the sum of its proper divisors (467225365).

1255894955 is a wasteful number, since it uses less digits than its factorization.

1255894955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15638.

The product of its digits is 3240000, while the sum is 53.

The square root of 1255894955 is about 35438.6082542754. The cubic root of 1255894955 is about 1078.9080627465.

The spelling of 1255894955 in words is "one billion, two hundred fifty-five million, eight hundred ninety-four thousand, nine hundred fifty-five".