126597433 has 2 divisors, whose sum is σ = 126597434. Its totient is φ = 126597432.

The previous prime is 126597431. The next prime is 126597467. The reversal of 126597433 is 334795621.

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., 124277904 + 2319529 = 11148^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 126597433 - 2¹ = 126597431 is a prime.

It is a super-3 number, since 3×126597433³ (a number of 25 digits) contains 333 as substring.

Together with 126597431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126597431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63298716 + 63298717.

It is an arithmetic number, because the mean of its divisors is an integer number (63298717).

Almost surely, 2^126597433 is an apocalyptic number.

It is an amenable number.

126597433 is a deficient number, since it is larger than the sum of its proper divisors (1).

126597433 is an equidigital number, since it uses as much as digits as its factorization.

126597433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 126597433 is about 11251.5524706593. The cubic root of 126597433 is about 502.1209014999.

The spelling of 126597433 in words is "one hundred twenty-six million, five hundred ninety-seven thousand, four hundred thirty-three".