1121000122 has 16 divisors (see below), whose sum is σ = 1840273344. Its totient is φ = 507904000.

The previous prime is 1121000119. The next prime is 1121000131. The reversal of 1121000122 is 2210001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121000099 and 1121000108.

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, 75079 + ... + 88762.

It is an arithmetic number, because the mean of its divisors is an integer number (115017084).

Almost surely, 2^1121000122 is an apocalyptic number.

1121000122 is a deficient number, since it is larger than the sum of its proper divisors (719273222).

1121000122 is a wasteful number, since it uses less digits than its factorization.

1121000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164165.

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

The square root of 1121000122 is about 33481.3399074768. The cubic root of 1121000122 is about 1038.8078431435.

Adding to 1121000122 its reverse (2210001211), we get a palindrome (3331001333).

The spelling of 1121000122 in words is "one billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.