1001012122 has 32 divisors (see below), whose sum is σ = 1736722944. Its totient is φ = 427660800.

The previous prime is 1001012107. The next prime is 1001012123. The reversal of 1001012122 is 2212101001.

It is a junction number, because it is equal to n+sod(n) for n = 1001012099 and 1001012108.

It is not an unprimeable number, because it can be changed into a prime (1001012123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385047 + ... + 387637.

It is an arithmetic number, because the mean of its divisors is an integer number (54272592).

Almost surely, 2^1001012122 is an apocalyptic number.

1001012122 is a deficient number, since it is larger than the sum of its proper divisors (735710822).

1001012122 is a wasteful number, since it uses less digits than its factorization.

1001012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1001012122 is about 31638.7756084208. The cubic root of 1001012122 is about 1000.3372602427.

Adding to 1001012122 its reverse (2212101001), we get a palindrome (3213113123).

The spelling of 1001012122 in words is "one billion, one million, twelve thousand, one hundred twenty-two".