1172375497 has 2 divisors, whose sum is σ = 1172375498. Its totient is φ = 1172375496.

The previous prime is 1172375441. The next prime is 1172375513. The reversal of 1172375497 is 7945732711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942428601 + 229946896 = 30699^2 + 15164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1172375497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1172375597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586187748 + 586187749.

It is an arithmetic number, because the mean of its divisors is an integer number (586187749).

Almost surely, 2^1172375497 is an apocalyptic number.

It is an amenable number.

1172375497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172375497 is an equidigital number, since it uses as much as digits as its factorization.

1172375497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 46.

The square root of 1172375497 is about 34239.9692902900. The cubic root of 1172375497 is about 1054.4409028934.

The spelling of 1172375497 in words is "one billion, one hundred seventy-two million, three hundred seventy-five thousand, four hundred ninety-seven".