1001255442 has 32 divisors (see below), whose sum is σ = 2189113344. Its totient is φ = 302778000.

The previous prime is 1001255399. The next prime is 1001255447. The reversal of 1001255442 is 2445521001.

It is not an unprimeable number, because it can be changed into a prime (1001255447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16567 + ... + 47717.

It is an arithmetic number, because the mean of its divisors is an integer number (68409792).

Almost surely, 2^1001255442 is an apocalyptic number.

1001255442 is an abundant number, since it is smaller than the sum of its proper divisors (1187857902).

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

1001255442 is a wasteful number, since it uses less digits than its factorization.

1001255442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31654.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1001255442 is about 31642.6206563236. The cubic root of 1001255442 is about 1000.4183056626.

Adding to 1001255442 its reverse (2445521001), we get a palindrome (3446776443).

The spelling of 1001255442 in words is "one billion, one million, two hundred fifty-five thousand, four hundred forty-two".