1255880072 has 16 divisors (see below), whose sum is σ = 2358625740. Its totient is φ = 626913216.

The previous prime is 1255880047. The next prime is 1255880081. The reversal of 1255880072 is 2700885521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 717918436 + 537961636 = 26794^2 + 23194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123143 + ... + 132950.

Almost surely, 2^1255880072 is an apocalyptic number.

It is an amenable number.

1255880072 is a deficient number, since it is larger than the sum of its proper divisors (1102745668).

1255880072 is a wasteful number, since it uses less digits than its factorization.

1255880072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256712 (or 256708 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 1255880072 is about 35438.3982708023. The cubic root of 1255880072 is about 1078.9038008582.

The spelling of 1255880072 in words is "one billion, two hundred fifty-five million, eight hundred eighty thousand, seventy-two".