120558001 has 2 divisors, whose sum is σ = 120558002. Its totient is φ = 120558000.

The previous prime is 120557933. The next prime is 120558023. The reversal of 120558001 is 100855021.

It is an a-pointer prime, because the next prime (120558023) can be obtained adding 120558001 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 46253601 = 8620^2 + 6801^2 .

It is a cyclic number.

It is not a de Polignac number, because 120558001 - 2¹⁹ = 120033713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120558301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60279000 + 60279001.

It is an arithmetic number, because the mean of its divisors is an integer number (60279001).

Almost surely, 2^120558001 is an apocalyptic number.

It is an amenable number.

120558001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120558001 is an equidigital number, since it uses as much as digits as its factorization.

120558001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 120558001 is about 10979.8907553764. The cubic root of 120558001 is about 494.0057600120.

The spelling of 120558001 in words is "one hundred twenty million, five hundred fifty-eight thousand, one".