7900122122 has 16 divisors (see below), whose sum is σ = 12646056960. Its totient is φ = 3688429248.

The previous prime is 7900122103. The next prime is 7900122127. The reversal of 7900122122 is 2212210097.

It is a junction number, because it is equal to n+sod(n) for n = 7900122091 and 7900122100.

It is not an unprimeable number, because it can be changed into a prime (7900122127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910472 + ... + 919107.

It is an arithmetic number, because the mean of its divisors is an integer number (790378560).

Almost surely, 2^7900122122 is an apocalyptic number.

7900122122 is a deficient number, since it is larger than the sum of its proper divisors (4745934838).

7900122122 is a wasteful number, since it uses less digits than its factorization.

7900122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829725.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7900122122 is about 88882.6311604241. The cubic root of 7900122122 is about 1991.6419637706.

The spelling of 7900122122 in words is "seven billion, nine hundred million, one hundred twenty-two thousand, one hundred twenty-two".