120306499 has 12 divisors (see below), whose sum is σ = 130417824. Its totient is φ = 110881872.

The previous prime is 120306479. The next prime is 120306509. The reversal of 120306499 is 994603021.

It is not a de Polignac number, because 120306499 - 2¹⁵ = 120273731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120306469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8854 + ... + 17860.

It is an arithmetic number, because the mean of its divisors is an integer number (10868152).

Almost surely, 2^120306499 is an apocalyptic number.

120306499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120306499 is a deficient number, since it is larger than the sum of its proper divisors (10111325).

120306499 is an equidigital number, since it uses as much as digits as its factorization.

120306499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082 (or 9063 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 120306499 is about 10968.4319298613. The cubic root of 120306499 is about 493.6619975831.

The spelling of 120306499 in words is "one hundred twenty million, three hundred six thousand, four hundred ninety-nine".