1255571342 has 12 divisors (see below), whose sum is σ = 1896759816. Its totient is φ = 623322300.

The previous prime is 1255571341. The next prime is 1255571351. The reversal of 1255571342 is 2431755521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255571341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614759 + ... + 616797.

It is an arithmetic number, because the mean of its divisors is an integer number (158063318).

Almost surely, 2^1255571342 is an apocalyptic number.

1255571342 is a deficient number, since it is larger than the sum of its proper divisors (641188474).

1255571342 is an frugal number, since it uses more digits than its factorization.

1255571342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231 (or 2192 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 1255571342 is about 35434.0421346479. The cubic root of 1255571342 is about 1078.8153854976.

The spelling of 1255571342 in words is "one billion, two hundred fifty-five million, five hundred seventy-one thousand, three hundred forty-two".