360142921 has 2 divisors, whose sum is σ = 360142922. Its totient is φ = 360142920.

The previous prime is 360142907. The next prime is 360142949. The reversal of 360142921 is 129241063.

It is an a-pointer prime, because the next prime (360142949) can be obtained adding 360142921 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353440000 + 6702921 = 18800^2 + 2589^2 .

It is a cyclic number.

It is not a de Polignac number, because 360142921 - 2²¹ = 358045769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 360142921.

It is not a weakly prime, because it can be changed into another prime (360143921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180071460 + 180071461.

It is an arithmetic number, because the mean of its divisors is an integer number (180071461).

Almost surely, 2^360142921 is an apocalyptic number.

It is an amenable number.

360142921 is a deficient number, since it is larger than the sum of its proper divisors (1).

360142921 is an equidigital number, since it uses as much as digits as its factorization.

360142921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 360142921 is about 18977.4318863222. The cubic root of 360142921 is about 711.4727882110.

Adding to 360142921 its reverse (129241063), we get a palindrome (489383984).

The spelling of 360142921 in words is "three hundred sixty million, one hundred forty-two thousand, nine hundred twenty-one".