1255333242 has 16 divisors (see below), whose sum is σ = 2535525792. Its totient is φ = 414301200.

The previous prime is 1255333241. The next prime is 1255333243. The reversal of 1255333242 is 2423335521.

It is an interprime number because it is at equal distance from previous prime (1255333241) and next prime (1255333243).

It is not an unprimeable number, because it can be changed into a prime (1255333241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035148 + ... + 1036359.

It is an arithmetic number, because the mean of its divisors is an integer number (158470362).

Almost surely, 2^1255333242 is an apocalyptic number.

1255333242 is an abundant number, since it is smaller than the sum of its proper divisors (1280192550).

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

1255333242 is a wasteful number, since it uses less digits than its factorization.

1255333242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071613.

The product of its digits is 21600, while the sum is 30.

The square root of 1255333242 is about 35430.6822118909. The cubic root of 1255333242 is about 1078.7471875457.

Adding to 1255333242 its reverse (2423335521), we get a palindrome (3678668763).

The spelling of 1255333242 in words is "one billion, two hundred fifty-five million, three hundred thirty-three thousand, two hundred forty-two".