1201201122 has 24 divisors (see below), whose sum is σ = 2640658608. Its totient is φ = 364000120.

The previous prime is 1201201121. The next prime is 1201201129. The reversal of 1201201122 is 2211021021.

It is a junction number, because it is equal to n+sod(n) for n = 1201201098 and 1201201107.

It is not an unprimeable number, because it can be changed into a prime (1201201121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826548 + ... + 827999.

It is an arithmetic number, because the mean of its divisors is an integer number (110027442).

Almost surely, 2^1201201122 is an apocalyptic number.

1201201122 is an abundant number, since it is smaller than the sum of its proper divisors (1439457486).

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

1201201122 is a wasteful number, since it uses less digits than its factorization.

1201201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654574 (or 1654563 counting only the distinct ones).

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

The square root of 1201201122 is about 34658.3485180699. The cubic root of 1201201122 is about 1063.0130016726.

Adding to 1201201122 its reverse (2211021021), we get a palindrome (3412222143).

The spelling of 1201201122 in words is "one billion, two hundred one million, two hundred one thousand, one hundred twenty-two".