126104591 has 8 divisors (see below), whose sum is σ = 128314368. Its totient is φ = 123907000.

The previous prime is 126104581. The next prime is 126104593. The reversal of 126104591 is 195401621.

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 126104591 - 2¹⁸ = 125842447 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 (126104593) 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, 19226 + ... + 24936.

It is an arithmetic number, because the mean of its divisors is an integer number (16039296).

Almost surely, 2^126104591 is an apocalyptic number.

126104591 is a deficient number, since it is larger than the sum of its proper divisors (2209777).

126104591 is an equidigital number, since it uses as much as digits as its factorization.

126104591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 126104591 is about 11229.6300473346. The cubic root of 126104591 is about 501.4684709639.

The spelling of 126104591 in words is "one hundred twenty-six million, one hundred four thousand, five hundred ninety-one".