123126071 has 8 divisors (see below), whose sum is σ = 127409040. Its totient is φ = 118907712.

The previous prime is 123126067. The next prime is 123126149. The reversal of 123126071 is 170621321.

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 123126071 - 2² = 123126067 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 (123126011) 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, 12260 + ... + 19913.

It is an arithmetic number, because the mean of its divisors is an integer number (15926130).

Almost surely, 2^123126071 is an apocalyptic number.

123126071 is a deficient number, since it is larger than the sum of its proper divisors (4282969).

123126071 is an equidigital number, since it uses as much as digits as its factorization.

123126071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32305.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 123126071 is about 11096.2187703740. The cubic root of 123126071 is about 497.4888372368.

Adding to 123126071 its reverse (170621321), we get a palindrome (293747392).

The spelling of 123126071 in words is "one hundred twenty-three million, one hundred twenty-six thousand, seventy-one".