120605501 has 2 divisors, whose sum is σ = 120605502. Its totient is φ = 120605500.

The previous prime is 120605449. The next prime is 120605609. The reversal of 120605501 is 105506021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 51466276 = 8315^2 + 7174^2 .

It is an emirp because it is prime and its reverse (105506021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120605501 is a prime.

It is a super-2 number, since 2×120605501² = 29091373742922002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120605101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60302750 + 60302751.

It is an arithmetic number, because the mean of its divisors is an integer number (60302751).

Almost surely, 2^120605501 is an apocalyptic number.

It is an amenable number.

120605501 is a deficient number, since it is larger than the sum of its proper divisors (1).

120605501 is an equidigital number, since it uses as much as digits as its factorization.

120605501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 120605501 is about 10982.0535875582. The cubic root of 120605501 is about 494.0706311177.

The spelling of 120605501 in words is "one hundred twenty million, six hundred five thousand, five hundred one".