120066403 has 4 divisors (see below), whose sum is σ = 120100960. Its totient is φ = 120031848.

The previous prime is 120066383. The next prime is 120066413. The reversal of 120066403 is 304660021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304660021 = 1049 ⋅290429.

It is a cyclic number.

It is not a de Polignac number, because 120066403 - 2²¹ = 117969251 is a prime.

It is a super-2 number, since 2×120066403² = 28831882258716818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120066413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11400 + ... + 19237.

It is an arithmetic number, because the mean of its divisors is an integer number (30025240).

Almost surely, 2^120066403 is an apocalyptic number.

120066403 is a deficient number, since it is larger than the sum of its proper divisors (34557).

120066403 is an equidigital number, since it uses as much as digits as its factorization.

120066403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34556.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 120066403 is about 10957.4815993457. The cubic root of 120066403 is about 493.3333780233. Note that the first 4 decimals are identical.

The spelling of 120066403 in words is "one hundred twenty million, sixty-six thousand, four hundred three".