120424099 has 2 divisors, whose sum is σ = 120424100. Its totient is φ = 120424098.

The previous prime is 120424097. The next prime is 120424111. The reversal of 120424099 is 990424021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (990424021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120424099 - 2¹ = 120424097 is a prime.

Together with 120424097, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120424099.

It is not a weakly prime, because it can be changed into another prime (120424097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60212049 + 60212050.

It is an arithmetic number, because the mean of its divisors is an integer number (60212050).

Almost surely, 2^120424099 is an apocalyptic number.

120424099 is a deficient number, since it is larger than the sum of its proper divisors (1).

120424099 is an equidigital number, since it uses as much as digits as its factorization.

120424099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 120424099 is about 10973.7914596551. The cubic root of 120424099 is about 493.8227972780.

The spelling of 120424099 in words is "one hundred twenty million, four hundred twenty-four thousand, ninety-nine".