1255477 has 2 divisors, whose sum is σ = 1255478. Its totient is φ = 1255476.

The previous prime is 1255453. The next prime is 1255519. The reversal of 1255477 is 7745521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749956 + 505521 = 866^2 + 711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255477 - 2¹⁹ = 731189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627738 + 627739.

It is an arithmetic number, because the mean of its divisors is an integer number (627739).

2^1255477 is an apocalyptic number.

It is an amenable number.

1255477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255477 is an equidigital number, since it uses as much as digits as its factorization.

1255477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9800, while the sum is 31.

The square root of 1255477 is about 1120.4807004139. The cubic root of 1255477 is about 107.8788364558.

The spelling of 1255477 in words is "one million, two hundred fifty-five thousand, four hundred seventy-seven".