120554983 has 4 divisors (see below), whose sum is σ = 125796528. Its totient is φ = 115313440.

The previous prime is 120554969. The next prime is 120554999. The reversal of 120554983 is 389455021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389455021 = 23 ⋅16932827.

It is a cyclic number.

It is not a de Polignac number, because 120554983 - 2¹³ = 120546791 is a prime.

It is a super-2 number, since 2×120554983² = 29067007852260578, 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 (120552983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620738 + ... + 2620783.

It is an arithmetic number, because the mean of its divisors is an integer number (31449132).

Almost surely, 2^120554983 is an apocalyptic number.

120554983 is a deficient number, since it is larger than the sum of its proper divisors (5241545).

120554983 is an equidigital number, since it uses as much as digits as its factorization.

120554983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241544.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 120554983 is about 10979.7533214549. The cubic root of 120554983 is about 494.0016377311.

The spelling of 120554983 in words is "one hundred twenty million, five hundred fifty-four thousand, nine hundred eighty-three".