120486181 has 4 divisors (see below), whose sum is σ = 124372864. Its totient is φ = 116599500.

The previous prime is 120486161. The next prime is 120486193. The reversal of 120486181 is 181684021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120486181 - 2¹⁵ = 120453413 is a prime.

It is a super-2 number, since 2×120486181² = 29033839623929522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 3886651 = 120486181 / (1 + 2 + 0 + 4 + 8 + 6 + 1 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120486101) 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, 1943295 + ... + 1943356.

It is an arithmetic number, because the mean of its divisors is an integer number (31093216).

Almost surely, 2^120486181 is an apocalyptic number.

It is an amenable number.

120486181 is a deficient number, since it is larger than the sum of its proper divisors (3886683).

120486181 is an equidigital number, since it uses as much as digits as its factorization.

120486181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886682.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 120486181 is about 10976.6197438009. The cubic root of 120486181 is about 493.9076425329.

The spelling of 120486181 in words is "one hundred twenty million, four hundred eighty-six thousand, one hundred eighty-one".