120428099 has 8 divisors (see below), whose sum is σ = 138290880. Its totient is φ = 103717800.

The previous prime is 120428089. The next prime is 120428117. The reversal of 120428099 is 990824021.

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 120428099 - 2⁸ = 120427843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120428059) 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, 287897 + ... + 288314.

It is an arithmetic number, because the mean of its divisors is an integer number (17286360).

Almost surely, 2^120428099 is an apocalyptic number.

120428099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120428099 is a deficient number, since it is larger than the sum of its proper divisors (17862781).

120428099 is a wasteful number, since it uses less digits than its factorization.

120428099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576241.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 120428099 is about 10973.9737105572. The cubic root of 120428099 is about 493.8282648140.

The spelling of 120428099 in words is "one hundred twenty million, four hundred twenty-eight thousand, ninety-nine".