361560121 has 6 divisors (see below), whose sum is σ = 391512030. Its totient is φ = 333747648.

The previous prime is 361560119. The next prime is 361560137. The reversal of 361560121 is 121065163.

It can be written as a sum of positive squares in 3 ways, for example, as 25351225 + 336208896 = 5035^2 + 18336^2 .

It is not a de Polignac number, because 361560121 - 2¹ = 361560119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (361560151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1069536 + ... + 1069873.

It is an arithmetic number, because the mean of its divisors is an integer number (65252005).

Almost surely, 2^361560121 is an apocalyptic number.

It is an amenable number.

361560121 is a deficient number, since it is larger than the sum of its proper divisors (29951909).

361560121 is a wasteful number, since it uses less digits than its factorization.

361560121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139435 (or 2139422 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 361560121 is about 19014.7343131583. The cubic root of 361560121 is about 712.4048066524.

It can be divided in two parts, 3615 and 60121, that added together give a palindrome (63736).

The spelling of 361560121 in words is "three hundred sixty-one million, five hundred sixty thousand, one hundred twenty-one".