120418981 has 4 divisors (see below), whose sum is σ = 120458464. Its totient is φ = 120379500.

The previous prime is 120418957. The next prime is 120419003. The reversal of 120418981 is 189814021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 189814021 = 4649 ⋅40829.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120418981 is a prime.

It is a super-2 number, since 2×120418981² = 29001461970156722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120418931) 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, 14745 + ... + 21406.

It is an arithmetic number, because the mean of its divisors is an integer number (30114616).

Almost surely, 2^120418981 is an apocalyptic number.

It is an amenable number.

120418981 is a deficient number, since it is larger than the sum of its proper divisors (39483).

120418981 is an equidigital number, since it uses as much as digits as its factorization.

120418981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39482.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 120418981 is about 10973.5582652119. The cubic root of 120418981 is about 493.8158013890.

The spelling of 120418981 in words is "one hundred twenty million, four hundred eighteen thousand, nine hundred eighty-one".