126331071 has 8 divisors (see below), whose sum is σ = 168531120. Its totient is φ = 84175872.

The previous prime is 126331069. The next prime is 126331129. The reversal of 126331071 is 170133621.

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

It is not a de Polignac number, because 126331071 - 2¹ = 126331069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126331021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3970 + ... + 16383.

It is an arithmetic number, because the mean of its divisors is an integer number (21066390).

Almost surely, 2^126331071 is an apocalyptic number.

126331071 is a deficient number, since it is larger than the sum of its proper divisors (42200049).

126331071 is a wasteful number, since it uses less digits than its factorization.

126331071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22425.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 126331071 is about 11239.7095603045. The cubic root of 126331071 is about 501.7684987826.

Adding to 126331071 its reverse (170133621), we get a palindrome (296464692).

The spelling of 126331071 in words is "one hundred twenty-six million, three hundred thirty-one thousand, seventy-one".