1125105497 has 2 divisors, whose sum is σ = 1125105498. Its totient is φ = 1125105496.

The previous prime is 1125105493. The next prime is 1125105503. The reversal of 1125105497 is 7945015211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 571162201 + 553943296 = 23899^2 + 23536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125105497 - 2² = 1125105493 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125105491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562552748 + 562552749.

It is an arithmetic number, because the mean of its divisors is an integer number (562552749).

Almost surely, 2^1125105497 is an apocalyptic number.

It is an amenable number.

1125105497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125105497 is an equidigital number, since it uses as much as digits as its factorization.

1125105497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 1125105497 is about 33542.5922820524. The cubic root of 1125105497 is about 1040.0744205251.

The spelling of 1125105497 in words is "one billion, one hundred twenty-five million, one hundred five thousand, four hundred ninety-seven".