120484991 has 4 divisors (see below), whose sum is σ = 131438184. Its totient is φ = 109531800.

The previous prime is 120484981. The next prime is 120485039. The reversal of 120484991 is 199484021.

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 120484991 - 2⁶ = 120484927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120484951) 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, 5476580 + ... + 5476601.

It is an arithmetic number, because the mean of its divisors is an integer number (32859546).

Almost surely, 2^120484991 is an apocalyptic number.

120484991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120484991 is a deficient number, since it is larger than the sum of its proper divisors (10953193).

120484991 is a wasteful number, since it uses less digits than its factorization.

120484991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10953192.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 120484991 is about 10976.5655375441. The cubic root of 120484991 is about 493.9060164764.

The spelling of 120484991 in words is "one hundred twenty million, four hundred eighty-four thousand, nine hundred ninety-one".