1122752557 has 2 divisors, whose sum is σ = 1122752558. Its totient is φ = 1122752556.

The previous prime is 1122752551. The next prime is 1122752563. The reversal of 1122752557 is 7552572211.

It is a balanced prime because it is at equal distance from previous prime (1122752551) and next prime (1122752563).

It can be written as a sum of positive squares in only one way, i.e., 837176356 + 285576201 = 28934^2 + 16899^2 .

It is an emirp because it is prime and its reverse (7552572211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122752557 - 2³ = 1122752549 is a prime.

It is the 33508-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122752551) by changing a digit.

It is a nontrivial repunit in base 33507.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561376278 + 561376279.

It is an arithmetic number, because the mean of its divisors is an integer number (561376279).

Almost surely, 2^1122752557 is an apocalyptic number.

It is an amenable number.

1122752557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122752557 is an equidigital number, since it uses as much as digits as its factorization.

1122752557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49000, while the sum is 37.

The square root of 1122752557 is about 33507.5000111915. The cubic root of 1122752557 is about 1039.3488765148.

The spelling of 1122752557 in words is "one billion, one hundred twenty-two million, seven hundred fifty-two thousand, five hundred fifty-seven".