12120499 has 8 divisors (see below), whose sum is σ = 12861440. Its totient is φ = 11389896.

The previous prime is 12120491. The next prime is 12120503. The reversal of 12120499 is 99402121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120499 - 2³ = 12120491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99 + ... + 4924.

It is an arithmetic number, because the mean of its divisors is an integer number (1607680).

Almost surely, 2^12120499 is an apocalyptic number.

12120499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12120499 is a deficient number, since it is larger than the sum of its proper divisors (740941).

12120499 is a wasteful number, since it uses less digits than its factorization.

12120499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 12120499 is about 3481.4507033707. The cubic root of 12120499 is about 229.7066139461.

The spelling of 12120499 in words is "twelve million, one hundred twenty thousand, four hundred ninety-nine".