1230120122 has 24 divisors (see below), whose sum is σ = 2317915488. Its totient is φ = 479266920.

The previous prime is 1230120113. The next prime is 1230120131. The reversal of 1230120122 is 2210210321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1230120113) and next prime (1230120131).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1230120097 and 1230120106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361388 + ... + 364775.

It is an arithmetic number, because the mean of its divisors is an integer number (96579812).

Almost surely, 2^1230120122 is an apocalyptic number.

1230120122 is a deficient number, since it is larger than the sum of its proper divisors (1087795366).

1230120122 is a wasteful number, since it uses less digits than its factorization.

1230120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726194 (or 726183 counting only the distinct ones).

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

The square root of 1230120122 is about 35073.0683288474. The cubic root of 1230120122 is about 1071.4761475983.

Adding to 1230120122 its reverse (2210210321), we get a palindrome (3440330443).

It can be divided in two parts, 12301 and 20122, that added together give a palindrome (32423).

The spelling of 1230120122 in words is "one billion, two hundred thirty million, one hundred twenty thousand, one hundred twenty-two".