1203120122 has 16 divisors (see below), whose sum is σ = 1812150144. Its totient is φ = 599076000.

The previous prime is 1203120103. The next prime is 1203120143. The reversal of 1203120122 is 2210213021.

It is a happy number.

It is a super-2 number, since 2×1203120122² = 2894996055922589768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203120097 and 1203120106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698222 + ... + 699942.

It is an arithmetic number, because the mean of its divisors is an integer number (113259384).

Almost surely, 2^1203120122 is an apocalyptic number.

1203120122 is a deficient number, since it is larger than the sum of its proper divisors (609030022).

1203120122 is a wasteful number, since it uses less digits than its factorization.

1203120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1203120122 is about 34686.0219973407. The cubic root of 1203120122 is about 1063.5787788689.

Adding to 1203120122 its reverse (2210213021), we get a palindrome (3413333143).

The spelling of 1203120122 in words is "one billion, two hundred three million, one hundred twenty thousand, one hundred twenty-two".