1201310122 has 4 divisors (see below), whose sum is σ = 1801965186. Its totient is φ = 600655060.

The previous prime is 1201310113. The next prime is 1201310147. The reversal of 1201310122 is 2210131021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2210131021 = 7 ⋅315733003.

It can be written as a sum of positive squares in only one way, i.e., 667653921 + 533656201 = 25839^2 + 23101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300327529 + ... + 300327532.

Almost surely, 2^1201310122 is an apocalyptic number.

1201310122 is a deficient number, since it is larger than the sum of its proper divisors (600655064).

1201310122 is an equidigital number, since it uses as much as digits as its factorization.

1201310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600655063.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1201310122 is about 34659.9209750974. The cubic root of 1201310122 is about 1063.0451541880.

Adding to 1201310122 its reverse (2210131021), we get a palindrome (3411441143).

The spelling of 1201310122 in words is "one billion, two hundred one million, three hundred ten thousand, one hundred twenty-two".