1125224497 has 2 divisors, whose sum is σ = 1125224498. Its totient is φ = 1125224496.

The previous prime is 1125224467. The next prime is 1125224521. The reversal of 1125224497 is 7944225211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114958881 + 10265616 = 33391^2 + 3204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125224497 is a prime.

It is a super-2 number, since 2×1125224497² = 2532260337297806018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1125224417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562612248 + 562612249.

It is an arithmetic number, because the mean of its divisors is an integer number (562612249).

Almost surely, 2^1125224497 is an apocalyptic number.

It is an amenable number.

1125224497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125224497 is an equidigital number, since it uses as much as digits as its factorization.

1125224497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 1125224497 is about 33544.3660992424. The cubic root of 1125224497 is about 1040.1110880474. Note that the first 3 decimals are identical.

It can be divided in two parts, 1125224 and 497, that added together give a square (1125721 = 1061²).

The spelling of 1125224497 in words is "one billion, one hundred twenty-five million, two hundred twenty-four thousand, four hundred ninety-seven".