1255507 has 8 divisors (see below), whose sum is σ = 1377792. Its totient is φ = 1134600.

The previous prime is 1255477. The next prime is 1255519. The reversal of 1255507 is 7055521.

It is a happy number.

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 1255507 - 2¹⁹ = 731219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255567) 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, 3238 + ... + 3604.

It is an arithmetic number, because the mean of its divisors is an integer number (172224).

2^1255507 is an apocalyptic number.

1255507 is a deficient number, since it is larger than the sum of its proper divisors (122285).

1255507 is a wasteful number, since it uses less digits than its factorization.

1255507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 1255507 is about 1120.4940874454. The cubic root of 1255507 is about 107.8796957147.

The spelling of 1255507 in words is "one million, two hundred fifty-five thousand, five hundred seven".