120151499 has 4 divisors (see below), whose sum is σ = 129393936. Its totient is φ = 110909064.

The previous prime is 120151489. The next prime is 120151523. The reversal of 120151499 is 994151021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120151499 - 2⁴ = 120151483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120151439) 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, 4621199 + ... + 4621224.

It is an arithmetic number, because the mean of its divisors is an integer number (32348484).

Almost surely, 2^120151499 is an apocalyptic number.

120151499 is a deficient number, since it is larger than the sum of its proper divisors (9242437).

120151499 is an equidigital number, since it uses as much as digits as its factorization.

120151499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242436.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 120151499 is about 10961.3639206077. The cubic root of 120151499 is about 493.4498990544.

The spelling of 120151499 in words is "one hundred twenty million, one hundred fifty-one thousand, four hundred ninety-nine".