1369112161 has 2 divisors, whose sum is σ = 1369112162. Its totient is φ = 1369112160.

The previous prime is 1369112093. The next prime is 1369112189. The reversal of 1369112161 is 1612119631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134409761 + 234702400 = 33681^2 + 15320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369112161 - 2¹³ = 1369103969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1369115161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684556080 + 684556081.

It is an arithmetic number, because the mean of its divisors is an integer number (684556081).

Almost surely, 2^1369112161 is an apocalyptic number.

It is an amenable number.

1369112161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369112161 is an equidigital number, since it uses as much as digits as its factorization.

1369112161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 31.

The square root of 1369112161 is about 37001.5156581457. The cubic root of 1369112161 is about 1110.4005699257.

It can be divided in two parts, 13691 and 12161, that added together give a palindrome (25852).

The spelling of 1369112161 in words is "one billion, three hundred sixty-nine million, one hundred twelve thousand, one hundred sixty-one".