126413443 has 16 divisors (see below), whose sum is σ = 142487296. Its totient is φ = 111352320.

The previous prime is 126413437. The next prime is 126413461. The reversal of 126413443 is 344314621.

It is a cyclic number.

It is not a de Polignac number, because 126413443 - 2⁹ = 126412931 is a prime.

It is a super-2 number, since 2×126413443² = 31960717142228498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126413143) 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 15 ways as a sum of consecutive naturals, for example, 27271 + ... + 31567.

It is an arithmetic number, because the mean of its divisors is an integer number (8905456).

Almost surely, 2^126413443 is an apocalyptic number.

126413443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126413443 is a deficient number, since it is larger than the sum of its proper divisors (16073853).

126413443 is a wasteful number, since it uses less digits than its factorization.

126413443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414.

The product of its digits is 6912, while the sum is 28.

The square root of 126413443 is about 11243.3732927445. The cubic root of 126413443 is about 501.8775315922.

The spelling of 126413443 in words is "one hundred twenty-six million, four hundred thirteen thousand, four hundred forty-three".