126215329 has 8 divisors (see below), whose sum is σ = 132050880. Its totient is φ = 120408816.

The previous prime is 126215281. The next prime is 126215359. The reversal of 126215329 is 923512621.

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 126215329 - 2²³ = 117826721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126215329.

It is not an unprimeable number, because it can be changed into a prime (126215359) 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 7 ways as a sum of consecutive naturals, for example, 1894 + ... + 16000.

It is an arithmetic number, because the mean of its divisors is an integer number (16506360).

Almost surely, 2^126215329 is an apocalyptic number.

It is an amenable number.

126215329 is a deficient number, since it is larger than the sum of its proper divisors (5835551).

126215329 is a wasteful number, since it uses less digits than its factorization.

126215329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14519.

The product of its digits is 6480, while the sum is 31.

The square root of 126215329 is about 11234.5595819329. The cubic root of 126215329 is about 501.6152152077.

The spelling of 126215329 in words is "one hundred twenty-six million, two hundred fifteen thousand, three hundred twenty-nine".