120166603 has 2 divisors, whose sum is σ = 120166604. Its totient is φ = 120166602.

The previous prime is 120166589. The next prime is 120166619. The reversal of 120166603 is 306661021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120166603 is a prime.

It is not a weakly prime, because it can be changed into another prime (120166903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60083301 + 60083302.

It is an arithmetic number, because the mean of its divisors is an integer number (60083302).

Almost surely, 2^120166603 is an apocalyptic number.

120166603 is a deficient number, since it is larger than the sum of its proper divisors (1).

120166603 is an equidigital number, since it uses as much as digits as its factorization.

120166603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 120166603 is about 10962.0528643133. The cubic root of 120166603 is about 493.4705750483.

The spelling of 120166603 in words is "one hundred twenty million, one hundred sixty-six thousand, six hundred three".