1001233122 has 32 divisors (see below), whose sum is σ = 2124185472. Its totient is φ = 313530624.

The previous prime is 1001233111. The next prime is 1001233141. The reversal of 1001233122 is 2213321001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48003 + ... + 65625.

It is an arithmetic number, because the mean of its divisors is an integer number (66380796).

Almost surely, 2^1001233122 is an apocalyptic number.

1001233122 is an abundant number, since it is smaller than the sum of its proper divisors (1122952350).

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

1001233122 is a wasteful number, since it uses less digits than its factorization.

1001233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18202.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1001233122 is about 31642.2679654920. The cubic root of 1001233122 is about 1000.4108718279.

Adding to 1001233122 its reverse (2213321001), we get a palindrome (3214554123).

It can be divided in two parts, 10012 and 33122, that added together give a palindrome (43134).

The spelling of 1001233122 in words is "one billion, one million, two hundred thirty-three thousand, one hundred twenty-two".