361120909 has 2 divisors, whose sum is σ = 361120910. Its totient is φ = 361120908.

The previous prime is 361120867. The next prime is 361120931. The reversal of 361120909 is 909021163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358155625 + 2965284 = 18925^2 + 1722^2 .

It is a cyclic number.

It is not a de Polignac number, because 361120909 - 2¹¹ = 361118861 is a prime.

It is a super-3 number, since 3×361120909³ (a number of 27 digits) contains 333 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 (361120009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180560454 + 180560455.

It is an arithmetic number, because the mean of its divisors is an integer number (180560455).

Almost surely, 2^361120909 is an apocalyptic number.

It is an amenable number.

361120909 is a deficient number, since it is larger than the sum of its proper divisors (1).

361120909 is an equidigital number, since it uses as much as digits as its factorization.

361120909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 361120909 is about 19003.1815494143. The cubic root of 361120909 is about 712.1162206917.

The spelling of 361120909 in words is "three hundred sixty-one million, one hundred twenty thousand, nine hundred nine".