8147007122 has 4 divisors (see below), whose sum is σ = 12220510686. Its totient is φ = 4073503560.

The previous prime is 8147007103. The next prime is 8147007139. The reversal of 8147007122 is 2217007418.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7978241041 + 168766081 = 89321^2 + 12991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036751779 + ... + 2036751782.

Almost surely, 2^8147007122 is an apocalyptic number.

8147007122 is a deficient number, since it is larger than the sum of its proper divisors (4073503564).

8147007122 is a wasteful number, since it uses less digits than its factorization.

8147007122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073503563.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 8147007122 is about 90260.7728861215. The cubic root of 8147007122 is about 2012.1763117748.

The spelling of 8147007122 in words is "eight billion, one hundred forty-seven million, seven thousand, one hundred twenty-two".