1256225514 has 32 divisors (see below), whose sum is σ = 2529384000. Its totient is φ = 415929600.

The previous prime is 1256225513. The next prime is 1256225611. The reversal of 1256225514 is 4155226521.

It is not an unprimeable number, because it can be changed into a prime (1256225513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720684 + ... + 722424.

It is an arithmetic number, because the mean of its divisors is an integer number (79043250).

Almost surely, 2^1256225514 is an apocalyptic number.

1256225514 is an abundant number, since it is smaller than the sum of its proper divisors (1273158486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1256225514 is a wasteful number, since it uses less digits than its factorization.

1256225514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486.

The product of its digits is 24000, while the sum is 33.

The square root of 1256225514 is about 35443.2717733564. The cubic root of 1256225514 is about 1079.0027127763.

The spelling of 1256225514 in words is "one billion, two hundred fifty-six million, two hundred twenty-five thousand, five hundred fourteen".