126406355 has 4 divisors (see below), whose sum is σ = 151687632. Its totient is φ = 101125080.

The previous prime is 126406351. The next prime is 126406381. The reversal of 126406355 is 553604621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 126406355 - 2² = 126406351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126406351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12640631 + ... + 12640640.

It is an arithmetic number, because the mean of its divisors is an integer number (37921908).

Almost surely, 2^126406355 is an apocalyptic number.

126406355 is a deficient number, since it is larger than the sum of its proper divisors (25281277).

126406355 is an equidigital number, since it uses as much as digits as its factorization.

126406355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25281276.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 126406355 is about 11243.0580804335. The cubic root of 126406355 is about 501.8681513281.

The spelling of 126406355 in words is "one hundred twenty-six million, four hundred six thousand, three hundred fifty-five".