120542269 has 2 divisors, whose sum is σ = 120542270. Its totient is φ = 120542268.

The previous prime is 120542237. The next prime is 120542273. The reversal of 120542269 is 962245021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117462244 + 3080025 = 10838^2 + 1755^2 .

It is an emirp because it is prime and its reverse (962245021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120542269 - 2⁵ = 120542237 is a prime.

It is a super-2 number, since 2×120542269² = 29060877231336722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120542269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120542209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60271134 + 60271135.

It is an arithmetic number, because the mean of its divisors is an integer number (60271135).

Almost surely, 2^120542269 is an apocalyptic number.

It is an amenable number.

120542269 is a deficient number, since it is larger than the sum of its proper divisors (1).

120542269 is an equidigital number, since it uses as much as digits as its factorization.

120542269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 120542269 is about 10979.1743314331. The cubic root of 120542269 is about 493.9842709455.

The spelling of 120542269 in words is "one hundred twenty million, five hundred forty-two thousand, two hundred sixty-nine".