1247107122 has 24 divisors (see below), whose sum is σ = 2789230080. Its totient is φ = 402292440.

The previous prime is 1247107093. The next prime is 1247107171. The reversal of 1247107122 is 2217017421.

It is a happy number.

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, 1116922 + ... + 1118037.

It is an arithmetic number, because the mean of its divisors is an integer number (116217920).

Almost surely, 2^1247107122 is an apocalyptic number.

1247107122 is an abundant number, since it is smaller than the sum of its proper divisors (1542122958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1247107122 is a wasteful number, since it uses less digits than its factorization.

1247107122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234998 (or 2234995 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1247107122 is about 35314.4038884985. The cubic root of 1247107122 is about 1076.3857008980.

The spelling of 1247107122 in words is "one billion, two hundred forty-seven million, one hundred seven thousand, one hundred twenty-two".