1255425342 has 32 divisors (see below), whose sum is σ = 2645635200. Its totient is φ = 396055008.

The previous prime is 1255425317. The next prime is 1255425349. The reversal of 1255425342 is 2435245521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255425349) 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, 122409 + ... + 132267.

It is an arithmetic number, because the mean of its divisors is an integer number (82676100).

Almost surely, 2^1255425342 is an apocalyptic number.

1255425342 is an abundant number, since it is smaller than the sum of its proper divisors (1390209858).

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

1255425342 is a wasteful number, since it uses less digits than its factorization.

1255425342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000.

The product of its digits is 48000, while the sum is 33.

The square root of 1255425342 is about 35431.9819090042. The cubic root of 1255425342 is about 1078.7735683724.

The spelling of 1255425342 in words is "one billion, two hundred fifty-five million, four hundred twenty-five thousand, three hundred forty-two".