1255725748 has 12 divisors (see below), whose sum is σ = 2233545412. Its totient is φ = 617569920.

The previous prime is 1255725727. The next prime is 1255725749. The reversal of 1255725748 is 8475275521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145636624 + 1110089124 = 12068^2 + 33318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1255725698 and 1255725707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255725749) 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, 2572965 + ... + 2573452.

Almost surely, 2^1255725748 is an apocalyptic number.

It is an amenable number.

1255725748 is a deficient number, since it is larger than the sum of its proper divisors (977819664).

1255725748 is a wasteful number, since it uses less digits than its factorization.

1255725748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146482 (or 5146480 counting only the distinct ones).

The product of its digits is 784000, while the sum is 46.

The square root of 1255725748 is about 35436.2208481661. The cubic root of 1255725748 is about 1078.8596067311.

The spelling of 1255725748 in words is "one billion, two hundred fifty-five million, seven hundred twenty-five thousand, seven hundred forty-eight".