126323137 has 4 divisors (see below), whose sum is σ = 126520240. Its totient is φ = 126126036.

The previous prime is 126323123. The next prime is 126323147. The reversal of 126323137 is 731323621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126323137 - 2¹¹ = 126321089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126323147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97587 + ... + 98872.

It is an arithmetic number, because the mean of its divisors is an integer number (31630060).

Almost surely, 2^126323137 is an apocalyptic number.

It is an amenable number.

126323137 is a deficient number, since it is larger than the sum of its proper divisors (197103).

126323137 is an equidigital number, since it uses as much as digits as its factorization.

126323137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197102.

The product of its digits is 4536, while the sum is 28.

The square root of 126323137 is about 11239.3566096997. The cubic root of 126323137 is about 501.7579943343.

Adding to 126323137 its reverse (731323621), we get a palindrome (857646758).

The spelling of 126323137 in words is "one hundred twenty-six million, three hundred twenty-three thousand, one hundred thirty-seven".