126352397 has 2 divisors, whose sum is σ = 126352398. Its totient is φ = 126352396.

The previous prime is 126352393. The next prime is 126352417. The reversal of 126352397 is 793253621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67584841 + 58767556 = 8221^2 + 7666^2 .

It is a cyclic number.

It is not a de Polignac number, because 126352397 - 2² = 126352393 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126352397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126352393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63176198 + 63176199.

It is an arithmetic number, because the mean of its divisors is an integer number (63176199).

Almost surely, 2^126352397 is an apocalyptic number.

It is an amenable number.

126352397 is a deficient number, since it is larger than the sum of its proper divisors (1).

126352397 is an equidigital number, since it uses as much as digits as its factorization.

126352397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 126352397 is about 11240.6582102651. The cubic root of 126352397 is about 501.7967317761.

The spelling of 126352397 in words is "one hundred twenty-six million, three hundred fifty-two thousand, three hundred ninety-seven".