126451441 has 6 divisors (see below), whose sum is σ = 133457442. Its totient is φ = 119795760.

The previous prime is 126451439. The next prime is 126451469. The reversal of 126451441 is 144154621.

It can be written as a sum of positive squares in only one way, i.e., 105657841 + 20793600 = 10279^2 + 4560^2 .

It is not a de Polignac number, because 126451441 - 2¹ = 126451439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126451471) 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 5 ways as a sum of consecutive naturals, for example, 174780 + ... + 175501.

It is an arithmetic number, because the mean of its divisors is an integer number (22242907).

Almost surely, 2^126451441 is an apocalyptic number.

It is an amenable number.

126451441 is a deficient number, since it is larger than the sum of its proper divisors (7006001).

126451441 is an equidigital number, since it uses as much as digits as its factorization.

126451441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350319 (or 350300 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 126451441 is about 11245.0629611399. The cubic root of 126451441 is about 501.9278121941.

The spelling of 126451441 in words is "one hundred twenty-six million, four hundred fifty-one thousand, four hundred forty-one".