9120656147 has 2 divisors, whose sum is σ = 9120656148. Its totient is φ = 9120656146.

The previous prime is 9120656113. The next prime is 9120656173. The reversal of 9120656147 is 7416560219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9120656147 - 2²² = 9116461843 is a prime.

It is not a weakly prime, because it can be changed into another prime (9120656047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4560328073 + 4560328074.

It is an arithmetic number, because the mean of its divisors is an integer number (4560328074).

Almost surely, 2^9120656147 is an apocalyptic number.

9120656147 is a deficient number, since it is larger than the sum of its proper divisors (1).

9120656147 is an equidigital number, since it uses as much as digits as its factorization.

9120656147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 9120656147 is about 95502.1264004106. The cubic root of 9120656147 is about 2089.3379577047.

The spelling of 9120656147 in words is "nine billion, one hundred twenty million, six hundred fifty-six thousand, one hundred forty-seven".