126524420 has 48 divisors (see below), whose sum is σ = 305121600. Its totient is φ = 43585920.

The previous prime is 126524413. The next prime is 126524429. The reversal of 126524420 is 24425621.

It is a self number, because there is not a number n which added to its sum of digits gives 126524420.

It is not an unprimeable number, because it can be changed into a prime (126524429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10955 + ... + 19314.

It is an arithmetic number, because the mean of its divisors is an integer number (6356700).

Almost surely, 2^126524420 is an apocalyptic number.

126524420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126524420 is an abundant number, since it is smaller than the sum of its proper divisors (178597180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126524420 is a wasteful number, since it uses less digits than its factorization.

126524420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30308 (or 30306 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 126524420 is about 11248.3074282311. The cubic root of 126524420 is about 502.0243529294.

The spelling of 126524420 in words is "one hundred twenty-six million, five hundred twenty-four thousand, four hundred twenty".