120100061 has 2 divisors, whose sum is σ = 120100062. Its totient is φ = 120100060.

The previous prime is 120100051. The next prime is 120100069. The reversal of 120100061 is 160001021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95160025 + 24940036 = 9755^2 + 4994^2 .

It is an emirp because it is prime and its reverse (160001021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120100061 - 2¹⁰ = 120099037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120100069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050030 + 60050031.

It is an arithmetic number, because the mean of its divisors is an integer number (60050031).

Almost surely, 2^120100061 is an apocalyptic number.

It is an amenable number.

120100061 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100061 is an equidigital number, since it uses as much as digits as its factorization.

120100061 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 11.

The square root of 120100061 is about 10959.0173373346. The cubic root of 120100061 is about 493.3794721376.

Adding to 120100061 its reverse (160001021), we get a palindrome (280101082).

The spelling of 120100061 in words is "one hundred twenty million, one hundred thousand, sixty-one".