126510420 has 48 divisors (see below), whose sum is σ = 362875968. Its totient is φ = 32912640.

The previous prime is 126510409. The next prime is 126510421. The reversal of 126510420 is 24015621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126510421) 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, 23254 + ... + 28173.

It is an arithmetic number, because the mean of its divisors is an integer number (7559916).

Almost surely, 2^126510420 is an apocalyptic number.

126510420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126510420 is an abundant number, since it is smaller than the sum of its proper divisors (236365548).

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

126510420 is a wasteful number, since it uses less digits than its factorization.

126510420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51480 (or 51478 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 126510420 is about 11247.6850951651. The cubic root of 126510420 is about 502.0058358184.

The spelling of 126510420 in words is "one hundred twenty-six million, five hundred ten thousand, four hundred twenty".