9120427 has 2 divisors, whose sum is σ = 9120428. Its totient is φ = 9120426.

The previous prime is 9120421. The next prime is 9120473. The reversal of 9120427 is 7240219.

9120427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9120427 is a prime.

It is not a weakly prime, because it can be changed into another prime (9120421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4560213 + 4560214.

It is an arithmetic number, because the mean of its divisors is an integer number (4560214).

Almost surely, 2^9120427 is an apocalyptic number.

9120427 is a deficient number, since it is larger than the sum of its proper divisors (1).

9120427 is an equidigital number, since it uses as much as digits as its factorization.

9120427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 9120427 is about 3020.0044701954. The cubic root of 9120427 is about 208.9320460077.

The spelling of 9120427 in words is "nine million, one hundred twenty thousand, four hundred twenty-seven".