120228863 has 2 divisors, whose sum is σ = 120228864. Its totient is φ = 120228862.

The previous prime is 120228841. The next prime is 120228877. The reversal of 120228863 is 368822021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120228863 - 2²⁰ = 119180287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120228463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60114431 + 60114432.

It is an arithmetic number, because the mean of its divisors is an integer number (60114432).

Almost surely, 2^120228863 is an apocalyptic number.

120228863 is a deficient number, since it is larger than the sum of its proper divisors (1).

120228863 is an equidigital number, since it uses as much as digits as its factorization.

120228863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 120228863 is about 10964.8922931327. The cubic root of 120228863 is about 493.5557850059. Note that the first 3 decimals are identical.

The spelling of 120228863 in words is "one hundred twenty million, two hundred twenty-eight thousand, eight hundred sixty-three".