1201022122 has 4 divisors (see below), whose sum is σ = 1801533186. Its totient is φ = 600511060.

The previous prime is 1201022111. The next prime is 1201022131. The reversal of 1201022122 is 2212201021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2212201021 = 1607 ⋅1376603.

It can be written as a sum of positive squares in only one way, i.e., 637007121 + 564015001 = 25239^2 + 23749^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300255529 + ... + 300255532.

Almost surely, 2^1201022122 is an apocalyptic number.

1201022122 is a deficient number, since it is larger than the sum of its proper divisors (600511064).

1201022122 is an equidigital number, since it uses as much as digits as its factorization.

1201022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600511063.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1201022122 is about 34655.7660714635. The cubic root of 1201022122 is about 1062.9601965327.

Adding to 1201022122 its reverse (2212201021), we get a palindrome (3413223143).

The spelling of 1201022122 in words is "one billion, two hundred one million, twenty-two thousand, one hundred twenty-two".