1255112 has 16 divisors (see below), whose sum is σ = 2371200. Its totient is φ = 622800.

The previous prime is 1255109. The next prime is 1255117. The reversal of 1255112 is 2115521.

It is a super-2 number, since 2×1255112² = 3150612265088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (148200).

2^1255112 is an apocalyptic number.

It is an amenable number.

1255112 is a deficient number, since it is larger than the sum of its proper divisors (1116088).

1255112 is a wasteful number, since it uses less digits than its factorization.

1255112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1192 counting only the distinct ones).

The product of its digits is 100, while the sum is 17.

The square root of 1255112 is about 1120.3178120516. The cubic root of 1255112 is about 107.8683810428.

The spelling of 1255112 in words is "one million, two hundred fifty-five thousand, one hundred twelve".