120002151 has 4 divisors (see below), whose sum is σ = 160002872. Its totient is φ = 80001432.

The previous prime is 120002143. The next prime is 120002153. The reversal of 120002151 is 151200021.

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

It is not a de Polignac number, because 120002151 - 2³ = 120002143 is a prime.

It is a Duffinian number.

120002151 is a modest number, since divided by 2151 gives 12 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002153) 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, 20000356 + ... + 20000361.

It is an arithmetic number, because the mean of its divisors is an integer number (40000718).

Almost surely, 2^120002151 is an apocalyptic number.

120002151 is a deficient number, since it is larger than the sum of its proper divisors (40000721).

120002151 is an equidigital number, since it uses as much as digits as its factorization.

120002151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000720.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 120002151 is about 10954.5493289318. The cubic root of 120002151 is about 493.2453619719.

Adding to 120002151 its reverse (151200021), we get a palindrome (271202172).

The spelling of 120002151 in words is "one hundred twenty million, two thousand, one hundred fifty-one".