126332506397 has 8 divisors (see below), whose sum is σ = 126654774456. Its totient is φ = 126010639872.

The previous prime is 126332506373. The next prime is 126332506471. The reversal of 126332506397 is 793605233621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42444652441 + 83887853956 = 206021^2 + 289634^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126332506397 - 2¹⁰ = 126332505373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126332506327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534773 + ... + 733925.

It is an arithmetic number, because the mean of its divisors is an integer number (15831846807).

Almost surely, 2^126332506397 is an apocalyptic number.

It is an amenable number.

126332506397 is a deficient number, since it is larger than the sum of its proper divisors (322268059).

126332506397 is an equidigital number, since it uses as much as digits as its factorization.

126332506397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200767.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The spelling of 126332506397 in words is "one hundred twenty-six billion, three hundred thirty-two million, five hundred six thousand, three hundred ninety-seven".