1255330 has 16 divisors (see below), whose sum is σ = 2378880. Its totient is φ = 475632.

The previous prime is 1255321. The next prime is 1255333. The reversal of 1255330 is 335521.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1255298 and 1255307.

It is not an unprimeable number, because it can be changed into a prime (1255333) 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, 3114 + ... + 3493.

It is an arithmetic number, because the mean of its divisors is an integer number (148680).

2^1255330 is an apocalyptic number.

1255330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255330 is a deficient number, since it is larger than the sum of its proper divisors (1123550).

1255330 is a wasteful number, since it uses less digits than its factorization.

1255330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1255330 is about 1120.4151016476. The cubic root of 1255330 is about 107.8746258894.

The spelling of 1255330 in words is "one million, two hundred fifty-five thousand, three hundred thirty".