126543430 has 16 divisors (see below), whose sum is σ = 245299824. Its totient is φ = 46723680.

The previous prime is 126543419. The next prime is 126543449. The reversal of 126543430 is 34345621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486576 + ... + 486835.

It is an arithmetic number, because the mean of its divisors is an integer number (15331239).

Almost surely, 2^126543430 is an apocalyptic number.

126543430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126543430 is a deficient number, since it is larger than the sum of its proper divisors (118756394).

126543430 is a wasteful number, since it uses less digits than its factorization.

126543430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973431.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 126543430 is about 11249.1524125154. The cubic root of 126543430 is about 502.0494943343.

The spelling of 126543430 in words is "one hundred twenty-six million, five hundred forty-three thousand, four hundred thirty".