1255078 has 16 divisors (see below), whose sum is σ = 2080080. Its totient is φ = 563200.

The previous prime is 1255069. The next prime is 1255081. The reversal of 1255078 is 8705521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (130005).

2^1255078 is an apocalyptic number.

1255078 is a deficient number, since it is larger than the sum of its proper divisors (825002).

1255078 is a wasteful number, since it uses less digits than its factorization.

1255078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1255078 is about 1120.3026376832. The cubic root of 1255078 is about 107.8674070107.

The spelling of 1255078 in words is "one million, two hundred fifty-five thousand, seventy-eight".