1255207 has 4 divisors (see below), whose sum is σ = 1298520. Its totient is φ = 1211896.

The previous prime is 1255201. The next prime is 1255211. The reversal of 1255207 is 7025521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255207 is a prime.

It is a super-2 number, since 2×1255207² = 3151089225698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21613 + ... + 21670.

It is an arithmetic number, because the mean of its divisors is an integer number (324630).

2^1255207 is an apocalyptic number.

1255207 is a deficient number, since it is larger than the sum of its proper divisors (43313).

1255207 is an equidigital number, since it uses as much as digits as its factorization.

1255207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43312.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1255207 is about 1120.3602099325. The cubic root of 1255207 is about 107.8711025098.

The spelling of 1255207 in words is "one million, two hundred fifty-five thousand, two hundred seven".