1125036257 has 2 divisors, whose sum is σ = 1125036258. Its totient is φ = 1125036256.

The previous prime is 1125036181. The next prime is 1125036277. The reversal of 1125036257 is 7526305211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040965696 + 84070561 = 32264^2 + 9169^2 .

It is an emirp because it is prime and its reverse (7526305211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125036257 - 2²⁰ = 1123987681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125036277) 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, 562518128 + 562518129.

It is an arithmetic number, because the mean of its divisors is an integer number (562518129).

Almost surely, 2^1125036257 is an apocalyptic number.

It is an amenable number.

1125036257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125036257 is an equidigital number, since it uses as much as digits as its factorization.

1125036257 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 1125036257 is about 33541.5601455865. The cubic root of 1125036257 is about 1040.0530843836.

The spelling of 1125036257 in words is "one billion, one hundred twenty-five million, thirty-six thousand, two hundred fifty-seven".