1121062361 has 2 divisors, whose sum is σ = 1121062362. Its totient is φ = 1121062360.

The previous prime is 1121062289. The next prime is 1121062373. The reversal of 1121062361 is 1632601211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 775288336 + 345774025 = 27844^2 + 18595^2 .

It is an emirp because it is prime and its reverse (1632601211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121062361 - 2¹⁸ = 1120800217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121064361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560531180 + 560531181.

It is an arithmetic number, because the mean of its divisors is an integer number (560531181).

Almost surely, 2^1121062361 is an apocalyptic number.

It is an amenable number.

1121062361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121062361 is an equidigital number, since it uses as much as digits as its factorization.

1121062361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1121062361 is about 33482.2693525991. The cubic root of 1121062361 is about 1038.8270679897.

Adding to 1121062361 its reverse (1632601211), we get a palindrome (2753663572).

The spelling of 1121062361 in words is "one billion, one hundred twenty-one million, sixty-two thousand, three hundred sixty-one".