126015306420 has 96 divisors (see below), whose sum is σ = 354367593216. Its totient is φ = 33459148800.

The previous prime is 126015306407. The next prime is 126015306437. The reversal of 126015306420 is 24603510621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16596825 + ... + 16604415.

It is an arithmetic number, because the mean of its divisors is an integer number (3691329096).

Almost surely, 2^126015306420 is an apocalyptic number.

126015306420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126015306420 is an abundant number, since it is smaller than the sum of its proper divisors (228352286796).

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

126015306420 is a wasteful number, since it uses less digits than its factorization.

126015306420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761 (or 8759 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 126015306420 in words is "one hundred twenty-six billion, fifteen million, three hundred six thousand, four hundred twenty".