1147245122 has 16 divisors (see below), whose sum is σ = 1746360000. Its totient is φ = 565136880.

The previous prime is 1147245109. The next prime is 1147245139. The reversal of 1147245122 is 2215427411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326129 + ... + 329627.

It is an arithmetic number, because the mean of its divisors is an integer number (109147500).

Almost surely, 2^1147245122 is an apocalyptic number.

1147245122 is a deficient number, since it is larger than the sum of its proper divisors (599114878).

1147245122 is a wasteful number, since it uses less digits than its factorization.

1147245122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881.

The product of its digits is 4480, while the sum is 29.

The square root of 1147245122 is about 33871.0071004687. The cubic root of 1147245122 is about 1046.8522880431.

The spelling of 1147245122 in words is "one billion, one hundred forty-seven million, two hundred forty-five thousand, one hundred twenty-two".