126339917 has 8 divisors (see below), whose sum is σ = 137974080. Its totient is φ = 114730560.

The previous prime is 126339907. The next prime is 126339919. The reversal of 126339917 is 719933621.

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 126339917 - 2⁶ = 126339853 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 (126339919) 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, 5408 + ... + 16790.

It is an arithmetic number, because the mean of its divisors is an integer number (17246760).

Almost surely, 2^126339917 is an apocalyptic number.

It is an amenable number.

126339917 is a deficient number, since it is larger than the sum of its proper divisors (11634163).

126339917 is a wasteful number, since it uses less digits than its factorization.

126339917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12403.

The product of its digits is 61236, while the sum is 41.

The square root of 126339917 is about 11240.1030689225. The cubic root of 126339917 is about 501.7802101811.

It can be divided in two parts, 126 and 339917, that added together give a palindrome (340043).

The spelling of 126339917 in words is "one hundred twenty-six million, three hundred thirty-nine thousand, nine hundred seventeen".