120055261 has 2 divisors, whose sum is σ = 120055262. Its totient is φ = 120055260.

The previous prime is 120055217. The next prime is 120055279. The reversal of 120055261 is 162550021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103652761 + 16402500 = 10181^2 + 4050^2 .

It is an emirp because it is prime and its reverse (162550021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120055261 - 2²⁵ = 86500829 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 120055261 parts by 15495 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120055291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60027630 + 60027631.

It is an arithmetic number, because the mean of its divisors is an integer number (60027631).

Almost surely, 2^120055261 is an apocalyptic number.

It is an amenable number.

120055261 is a deficient number, since it is larger than the sum of its proper divisors (1).

120055261 is an equidigital number, since it uses as much as digits as its factorization.

120055261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 120055261 is about 10956.9731678051. The cubic root of 120055261 is about 493.3181173275.

The spelling of 120055261 in words is "one hundred twenty million, fifty-five thousand, two hundred sixty-one".