361542121 has 2 divisors, whose sum is σ = 361542122. Its totient is φ = 361542120.

The previous prime is 361542113. The next prime is 361542161. The reversal of 361542121 is 121245163.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304328025 + 57214096 = 17445^2 + 7564^2 .

It is a cyclic number.

It is not a de Polignac number, because 361542121 - 2³ = 361542113 is a prime.

It is not a weakly prime, because it can be changed into another prime (361542161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180771060 + 180771061.

It is an arithmetic number, because the mean of its divisors is an integer number (180771061).

Almost surely, 2^361542121 is an apocalyptic number.

It is an amenable number.

361542121 is a deficient number, since it is larger than the sum of its proper divisors (1).

361542121 is an equidigital number, since it uses as much as digits as its factorization.

361542121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 361542121 is about 19014.2609901095. The cubic root of 361542121 is about 712.3929842761.

Adding to 361542121 its reverse (121245163), we get a palindrome (482787284).

The spelling of 361542121 in words is "three hundred sixty-one million, five hundred forty-two thousand, one hundred twenty-one".