120451211 has 4 divisors (see below), whose sum is σ = 120534024. Its totient is φ = 120368400.

The previous prime is 120451189. The next prime is 120451217. The reversal of 120451211 is 112154021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112154021 = 7 ⋅16022003.

It is a cyclic number.

It is not a de Polignac number, because 120451211 - 2⁶ = 120451147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120451211.

It is not an unprimeable number, because it can be changed into a prime (120451217) 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, 39185 + ... + 42146.

It is an arithmetic number, because the mean of its divisors is an integer number (30133506).

Almost surely, 2^120451211 is an apocalyptic number.

120451211 is a deficient number, since it is larger than the sum of its proper divisors (82813).

120451211 is an equidigital number, since it uses as much as digits as its factorization.

120451211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82812.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 120451211 is about 10975.0266970063. The cubic root of 120451211 is about 493.8598538670.

The spelling of 120451211 in words is "one hundred twenty million, four hundred fifty-one thousand, two hundred eleven".