1255051 has 8 divisors (see below), whose sum is σ = 1469664. Its totient is φ = 1049280.

The previous prime is 1255049. The next prime is 1255063. The reversal of 1255051 is 1505521.

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 1255051 - 2¹ = 1255049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900 + ... + 2473.

It is an arithmetic number, because the mean of its divisors is an integer number (183708).

2^1255051 is an apocalyptic number.

1255051 is a deficient number, since it is larger than the sum of its proper divisors (214613).

1255051 is an equidigital number, since it uses as much as digits as its factorization.

1255051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1255051 is about 1120.2905873031. The cubic root of 1255051 is about 107.8666335021.

The spelling of 1255051 in words is "one million, two hundred fifty-five thousand, fifty-one".