120123001 has 2 divisors, whose sum is σ = 120123002. Its totient is φ = 120123000.

The previous prime is 120122987. The next prime is 120123011. The reversal of 120123001 is 100321021.

It is an a-pointer prime, because the next prime (120123011) can be obtained adding 120123001 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119355625 + 767376 = 10925^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 120123001 - 2¹⁵ = 120090233 is a prime.

It is not a weakly prime, because it can be changed into another prime (120123011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061500 + 60061501.

It is an arithmetic number, because the mean of its divisors is an integer number (60061501).

Almost surely, 2^120123001 is an apocalyptic number.

It is an amenable number.

120123001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120123001 is an equidigital number, since it uses as much as digits as its factorization.

120123001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120123001 is about 10960.0639140472. The cubic root of 120123001 is about 493.4108831806.

Adding to 120123001 its reverse (100321021), we get a palindrome (220444022).

The spelling of 120123001 in words is "one hundred twenty million, one hundred twenty-three thousand, one".