1122553517 has 2 divisors, whose sum is σ = 1122553518. Its totient is φ = 1122553516.

The previous prime is 1122553513. The next prime is 1122553591. The reversal of 1122553517 is 7153552211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006539076 + 116014441 = 31726^2 + 10771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122553517 - 2² = 1122553513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122553511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561276758 + 561276759.

It is an arithmetic number, because the mean of its divisors is an integer number (561276759).

Almost surely, 2^1122553517 is an apocalyptic number.

It is an amenable number.

1122553517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122553517 is an equidigital number, since it uses as much as digits as its factorization.

1122553517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10500, while the sum is 32.

The square root of 1122553517 is about 33504.5297982228. The cubic root of 1122553517 is about 1039.2874547809.

The spelling of 1122553517 in words is "one billion, one hundred twenty-two million, five hundred fifty-three thousand, five hundred seventeen".