1126497397 has 2 divisors, whose sum is σ = 1126497398. Its totient is φ = 1126497396.

The previous prime is 1126497389. The next prime is 1126497481. The reversal of 1126497397 is 7937946211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1061065476 + 65431921 = 32574^2 + 8089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126497397 - 2³ = 1126497389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1126497397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126497347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563248698 + 563248699.

It is an arithmetic number, because the mean of its divisors is an integer number (563248699).

Almost surely, 2^1126497397 is an apocalyptic number.

It is an amenable number.

1126497397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126497397 is an equidigital number, since it uses as much as digits as its factorization.

1126497397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 1126497397 is about 33563.3341162644. The cubic root of 1126497397 is about 1040.5031456568.

The spelling of 1126497397 in words is "one billion, one hundred twenty-six million, four hundred ninety-seven thousand, three hundred ninety-seven".