1002012122 has 8 divisors (see below), whose sum is σ = 1504396596. Its totient is φ = 500546592.

The previous prime is 1002012071. The next prime is 1002012131. The reversal of 1002012122 is 2212102001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 709636321 + 292375801 = 26639^2 + 17099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227003 + ... + 231374.

Almost surely, 2^1002012122 is an apocalyptic number.

1002012122 is a deficient number, since it is larger than the sum of its proper divisors (502384474).

1002012122 is a wasteful number, since it uses less digits than its factorization.

1002012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459472.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002012122 is about 31654.5750563801. The cubic root of 1002012122 is about 1000.6702579872.

Adding to 1002012122 its reverse (2212102001), we get a palindrome (3214114123).

The spelling of 1002012122 in words is "one billion, two million, twelve thousand, one hundred twenty-two".