120091451 has 4 divisors (see below), whose sum is σ = 127155672. Its totient is φ = 113027232.

The previous prime is 120091429. The next prime is 120091471. The reversal of 120091451 is 154190021.

It is a happy number.

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 120091451 - 2¹⁰ = 120090427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120091421) 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, 3532085 + ... + 3532118.

It is an arithmetic number, because the mean of its divisors is an integer number (31788918).

Almost surely, 2^120091451 is an apocalyptic number.

120091451 is a deficient number, since it is larger than the sum of its proper divisors (7064221).

120091451 is an equidigital number, since it uses as much as digits as its factorization.

120091451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064220.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 120091451 is about 10958.6245031026. The cubic root of 120091451 is about 493.3676816946.

The spelling of 120091451 in words is "one hundred twenty million, ninety-one thousand, four hundred fifty-one".