1201120122 has 64 divisors (see below), whose sum is σ = 2613602304. Its totient is φ = 366949440.

The previous prime is 1201120103. The next prime is 1201120127. The reversal of 1201120122 is 2210211021.

It is a junction number, because it is equal to n+sod(n) for n = 1201120098 and 1201120107.

It is not an unprimeable number, because it can be changed into a prime (1201120127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340347 + ... + 343857.

It is an arithmetic number, because the mean of its divisors is an integer number (40837536).

Almost surely, 2^1201120122 is an apocalyptic number.

1201120122 is an abundant number, since it is smaller than the sum of its proper divisors (1412482182).

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

1201120122 is a wasteful number, since it uses less digits than its factorization.

1201120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1201120122 is about 34657.1799487494. The cubic root of 1201120122 is about 1062.9891072592.

Adding to 1201120122 its reverse (2210211021), we get a palindrome (3411331143).

The spelling of 1201120122 in words is "one billion, two hundred one million, one hundred twenty thousand, one hundred twenty-two".