1536112121 has 2 divisors, whose sum is σ = 1536112122. Its totient is φ = 1536112120.

The previous prime is 1536112111. The next prime is 1536112189. The reversal of 1536112121 is 1212116351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1487182096 + 48930025 = 38564^2 + 6995^2 .

It is an emirp because it is prime and its reverse (1212116351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1536112121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1536112111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768056060 + 768056061.

It is an arithmetic number, because the mean of its divisors is an integer number (768056061).

Almost surely, 2^1536112121 is an apocalyptic number.

It is an amenable number.

1536112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1536112121 is an equidigital number, since it uses as much as digits as its factorization.

1536112121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 23.

The square root of 1536112121 is about 39193.2662711339. The cubic root of 1536112121 is about 1153.8277296018.

Adding to 1536112121 its reverse (1212116351), we get a palindrome (2748228472).

The spelling of 1536112121 in words is "one billion, five hundred thirty-six million, one hundred twelve thousand, one hundred twenty-one".