1255012 has 18 divisors (see below), whose sum is σ = 2415014. Its totient is φ = 570240.

The previous prime is 1254997. The next prime is 1255013. The reversal of 1255012 is 2105521.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 139876 = 1056^2 + 374^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1255013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 813 + ... + 1780.

2^1255012 is an apocalyptic number.

It is an amenable number.

1255012 is a deficient number, since it is larger than the sum of its proper divisors (1160002).

1255012 is a wasteful number, since it uses less digits than its factorization.

1255012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1255012 is about 1120.2731809697. The cubic root of 1255012 is about 107.8655161923.

The spelling of 1255012 in words is "one million, two hundred fifty-five thousand, twelve".