1255401 has 12 divisors (see below), whose sum is σ = 2072512. Its totient is φ = 717336.

The previous prime is 1255393. The next prime is 1255421. The reversal of 1255401 is 1045521.

1255401 is a `hidden beast` number, since 125 + 540 + 1 = 666.

It is not a de Polignac number, because 1255401 - 2³ = 1255393 is a prime.

It is a Duffinian number.

It is a Curzon number.

1255401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1255421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9901 + ... + 10026.

2^1255401 is an apocalyptic number.

It is an amenable number.

1255401 is a deficient number, since it is larger than the sum of its proper divisors (817111).

1255401 is a wasteful number, since it uses less digits than its factorization.

1255401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19940 (or 19937 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1255401 is about 1120.4467858850. The cubic root of 1255401 is about 107.8766596054.

The spelling of 1255401 in words is "one million, two hundred fifty-five thousand, four hundred one".