120029999 has 4 divisors (see below), whose sum is σ = 120089760. Its totient is φ = 119970240.

The previous prime is 120029977. The next prime is 120030007. The reversal of 120029999 is 999920021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999920021 = 541 ⋅1848281.

It is a cyclic number.

It is not a de Polignac number, because 120029999 - 2⁸ = 120029743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120029909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26759 + ... + 30920.

It is an arithmetic number, because the mean of its divisors is an integer number (30022440).

Almost surely, 2^120029999 is an apocalyptic number.

120029999 is a deficient number, since it is larger than the sum of its proper divisors (59761).

120029999 is an equidigital number, since it uses as much as digits as its factorization.

120029999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59760.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 120029999 is about 10955.8203252883. The cubic root of 120029999 is about 493.2835136060.

The spelling of 120029999 in words is "one hundred twenty million, twenty-nine thousand, nine hundred ninety-nine".