36151121 has 2 divisors, whose sum is σ = 36151122. Its totient is φ = 36151120.

The previous prime is 36151117. The next prime is 36151151. The reversal of 36151121 is 12115163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20151121 + 16000000 = 4489^2 + 4000^2 .

It is an emirp because it is prime and its reverse (12115163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36151121 - 2² = 36151117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36151093 and 36151102.

It is not a weakly prime, because it can be changed into another prime (36151151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18075560 + 18075561.

It is an arithmetic number, because the mean of its divisors is an integer number (18075561).

Almost surely, 2^36151121 is an apocalyptic number.

It is an amenable number.

36151121 is a deficient number, since it is larger than the sum of its proper divisors (1).

36151121 is an equidigital number, since it uses as much as digits as its factorization.

36151121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 20.

The square root of 36151121 is about 6012.5802281550. The cubic root of 36151121 is about 330.6541081763.

Adding to 36151121 its reverse (12115163), we get a palindrome (48266284).

The spelling of 36151121 in words is "thirty-six million, one hundred fifty-one thousand, one hundred twenty-one".