1122053657 has 2 divisors, whose sum is σ = 1122053658. Its totient is φ = 1122053656.

The previous prime is 1122053641. The next prime is 1122053659. The reversal of 1122053657 is 7563502211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997864921 + 124188736 = 31589^2 + 11144^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122053657 - 2⁴ = 1122053641 is a prime.

Together with 1122053659, 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 (1122053659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561026828 + 561026829.

It is an arithmetic number, because the mean of its divisors is an integer number (561026829).

Almost surely, 2^1122053657 is an apocalyptic number.

It is an amenable number.

1122053657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122053657 is an equidigital number, since it uses as much as digits as its factorization.

1122053657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1122053657 is about 33497.0693792756. The cubic root of 1122053657 is about 1039.1331710142.

Adding to 1122053657 its reverse (7563502211), we get a palindrome (8685555868).

The spelling of 1122053657 in words is "one billion, one hundred twenty-two million, fifty-three thousand, six hundred fifty-seven".