126364691 has 8 divisors (see below), whose sum is σ = 132082944. Its totient is φ = 120665160.

The previous prime is 126364663. The next prime is 126364699. The reversal of 126364691 is 196463621.

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 126364691 - 2¹⁸ = 126102547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126364699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10160 + ... + 18866.

It is an arithmetic number, because the mean of its divisors is an integer number (16510368).

Almost surely, 2^126364691 is an apocalyptic number.

126364691 is a deficient number, since it is larger than the sum of its proper divisors (5718253).

126364691 is an equidigital number, since it uses as much as digits as its factorization.

126364691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361.

The product of its digits is 46656, while the sum is 38.

The square root of 126364691 is about 11241.2050510610. The cubic root of 126364691 is about 501.8130060722.

The spelling of 126364691 in words is "one hundred twenty-six million, three hundred sixty-four thousand, six hundred ninety-one".