120641603 has 2 divisors, whose sum is σ = 120641604. Its totient is φ = 120641602.

The previous prime is 120641581. The next prime is 120641627. The reversal of 120641603 is 306146021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120641603 - 2¹⁰ = 120640579 is a prime.

It is not a weakly prime, because it can be changed into another prime (120641663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60320801 + 60320802.

It is an arithmetic number, because the mean of its divisors is an integer number (60320802).

Almost surely, 2^120641603 is an apocalyptic number.

120641603 is a deficient number, since it is larger than the sum of its proper divisors (1).

120641603 is an equidigital number, since it uses as much as digits as its factorization.

120641603 is an evil number, because the sum of its binary digits is even.

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

The square root of 120641603 is about 10983.6971462254. The cubic root of 120641603 is about 494.1199244979.

Adding to 120641603 its reverse (306146021), we get a palindrome (426787624).

The spelling of 120641603 in words is "one hundred twenty million, six hundred forty-one thousand, six hundred three".