1255347 has 6 divisors (see below), whose sum is σ = 1813292. Its totient is φ = 836892.

The previous prime is 1255337. The next prime is 1255357. The reversal of 1255347 is 7435521.

It is a happy number.

1255347 is a `hidden beast` number, since 125 + 534 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (1255337) and next prime (1255357).

It is not a de Polignac number, because 1255347 - 2¹⁸ = 993203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255347.

It is not an unprimeable number, because it can be changed into a prime (1255307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69733 + ... + 69750.

2^1255347 is an apocalyptic number.

1255347 is a deficient number, since it is larger than the sum of its proper divisors (557945).

1255347 is a wasteful number, since it uses less digits than its factorization.

1255347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139489 (or 139486 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1255347 is about 1120.4226880959. The cubic root of 1255347 is about 107.8751128425.

Subtracting from 1255347 its sum of digits (27), we obtain a triangular number (1255320 = T₁₅₈₄).

The spelling of 1255347 in words is "one million, two hundred fifty-five thousand, three hundred forty-seven".