1255661714 has 8 divisors (see below), whose sum is σ = 1887989040. Its totient is φ = 626332036.

The previous prime is 1255661713. The next prime is 1255661717. The reversal of 1255661714 is 4171665521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1255661713) 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, 748364 + ... + 750039.

It is an arithmetic number, because the mean of its divisors is an integer number (235998630).

Almost surely, 2^1255661714 is an apocalyptic number.

1255661714 is a deficient number, since it is larger than the sum of its proper divisors (632327326).

1255661714 is a wasteful number, since it uses less digits than its factorization.

1255661714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498824.

The product of its digits is 50400, while the sum is 38.

The square root of 1255661714 is about 35435.3173260802. The cubic root of 1255661714 is about 1078.8412681009.

The spelling of 1255661714 in words is "one billion, two hundred fifty-five million, six hundred sixty-one thousand, seven hundred fourteen".