1001121242 has 16 divisors (see below), whose sum is σ = 1649052864. Its totient is φ = 452040000.

The previous prime is 1001121193. The next prime is 1001121283. The reversal of 1001121242 is 2421211001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147359 + ... + 154002.

It is an arithmetic number, because the mean of its divisors is an integer number (103065804).

Almost surely, 2^1001121242 is an apocalyptic number.

1001121242 is a deficient number, since it is larger than the sum of its proper divisors (647931622).

1001121242 is a wasteful number, since it uses less digits than its factorization.

1001121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301525.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1001121242 is about 31640.5000276544. The cubic root of 1001121242 is about 1000.3736077332.

Adding to 1001121242 its reverse (2421211001), we get a palindrome (3422332243).

The spelling of 1001121242 in words is "one billion, one million, one hundred twenty-one thousand, two hundred forty-two".