1255748522 has 32 divisors (see below), whose sum is σ = 2212636800. Its totient is φ = 523309248.

The previous prime is 1255748509. The next prime is 1255748531. The reversal of 1255748522 is 2258475521.

It is a self number, because there is not a number n which added to its sum of digits gives 1255748522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133304 + ... + 142412.

It is an arithmetic number, because the mean of its divisors is an integer number (69144900).

Almost surely, 2^1255748522 is an apocalyptic number.

1255748522 is a deficient number, since it is larger than the sum of its proper divisors (956888278).

1255748522 is a wasteful number, since it uses less digits than its factorization.

1255748522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390.

The product of its digits is 224000, while the sum is 41.

The square root of 1255748522 is about 35436.5421845868. The cubic root of 1255748522 is about 1078.8661288028.

The spelling of 1255748522 in words is "one billion, two hundred fifty-five million, seven hundred forty-eight thousand, five hundred twenty-two".