1121052137 has 2 divisors, whose sum is σ = 1121052138. Its totient is φ = 1121052136.

The previous prime is 1121052109. The next prime is 1121052139. The reversal of 1121052137 is 7312501211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858255616 + 262796521 = 29296^2 + 16211^2 .

It is an emirp because it is prime and its reverse (7312501211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121052137 - 2²⁴ = 1104274921 is a prime.

Together with 1121052139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1121052139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560526068 + 560526069.

It is an arithmetic number, because the mean of its divisors is an integer number (560526069).

Almost surely, 2^1121052137 is an apocalyptic number.

It is an amenable number.

1121052137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121052137 is an equidigital number, since it uses as much as digits as its factorization.

1121052137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1121052137 is about 33482.1166744279. The cubic root of 1121052137 is about 1038.8239099732.

Adding to 1121052137 its reverse (7312501211), we get a palindrome (8433553348).

The spelling of 1121052137 in words is "one billion, one hundred twenty-one million, fifty-two thousand, one hundred thirty-seven".