1255755 has 8 divisors (see below), whose sum is σ = 2009232. Its totient is φ = 669728.

The previous prime is 1255747. The next prime is 1255757. The reversal of 1255755 is 5575521.

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 1255755 - 2³ = 1255747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255757) 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, 41844 + ... + 41873.

It is an arithmetic number, because the mean of its divisors is an integer number (251154).

2^1255755 is an apocalyptic number.

1255755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1255755 is a deficient number, since it is larger than the sum of its proper divisors (753477).

1255755 is an equidigital number, since it uses as much as digits as its factorization.

1255755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83725.

The product of its digits is 8750, while the sum is 30.

The square root of 1255755 is about 1120.6047474467. The cubic root of 1255755 is about 107.8867983973.

The spelling of 1255755 in words is "one million, two hundred fifty-five thousand, seven hundred fifty-five".