126186461 has 16 divisors (see below), whose sum is σ = 138931200. Its totient is φ = 114090240.

The previous prime is 126186457. The next prime is 126186469. The reversal of 126186461 is 164681621.

It is a cyclic number.

It is not a de Polignac number, because 126186461 - 2² = 126186457 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 (126186469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77720 + ... + 79326.

It is an arithmetic number, because the mean of its divisors is an integer number (8683200).

Almost surely, 2^126186461 is an apocalyptic number.

It is an amenable number.

126186461 is a deficient number, since it is larger than the sum of its proper divisors (12744739).

126186461 is a wasteful number, since it uses less digits than its factorization.

126186461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its digits is 13824, while the sum is 35.

The square root of 126186461 is about 11233.2747228936. The cubic root of 126186461 is about 501.5769691080.

The spelling of 126186461 in words is "one hundred twenty-six million, one hundred eighty-six thousand, four hundred sixty-one".