1255122 has 32 divisors (see below), whose sum is σ = 3044160. Its totient is φ = 380160.

The previous prime is 1255117. The next prime is 1255123. The reversal of 1255122 is 2215521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1255095 and 1255104.

It is not an unprimeable number, because it can be changed into a prime (1255123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463 + ... + 1650.

It is an arithmetic number, because the mean of its divisors is an integer number (95130).

2^1255122 is an apocalyptic number.

1255122 is an abundant number, since it is smaller than the sum of its proper divisors (1789038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255122 is a wasteful number, since it uses less digits than its factorization.

1255122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2129 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 1255122 is about 1120.3222750620. The cubic root of 1255122 is about 107.8686675195.

The spelling of 1255122 in words is "one million, two hundred fifty-five thousand, one hundred twenty-two".