120146603 has 4 divisors (see below), whose sum is σ = 120168840. Its totient is φ = 120124368.

The previous prime is 120146581. The next prime is 120146627. The reversal of 120146603 is 306641021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306641021 = 733 ⋅418337.

It is a cyclic number.

It is not a de Polignac number, because 120146603 - 2⁸ = 120146347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120146693) 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, 2768 + ... + 15746.

It is an arithmetic number, because the mean of its divisors is an integer number (30042210).

Almost surely, 2^120146603 is an apocalyptic number.

120146603 is a deficient number, since it is larger than the sum of its proper divisors (22237).

120146603 is an equidigital number, since it uses as much as digits as its factorization.

120146603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22236.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 120146603 is about 10961.1405884607. The cubic root of 120146603 is about 493.4431965065.

Adding to 120146603 its reverse (306641021), we get a palindrome (426787624).

The spelling of 120146603 in words is "one hundred twenty million, one hundred forty-six thousand, six hundred three".