126461920 has 96 divisors (see below), whose sum is σ = 324590112. Its totient is φ = 46282752.

The previous prime is 126461911. The next prime is 126461941. The reversal of 126461920 is 29164621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338854 + ... + 339226.

It is an arithmetic number, because the mean of its divisors is an integer number (3381147).

Almost surely, 2^126461920 is an apocalyptic number.

126461920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126461920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162295056).

126461920 is an abundant number, since it is smaller than the sum of its proper divisors (198128192).

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

126461920 is a wasteful number, since it uses less digits than its factorization.

126461920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 126461920 is about 11245.5288892964. The cubic root of 126461920 is about 501.9416766895.

The spelling of 126461920 in words is "one hundred twenty-six million, four hundred sixty-one thousand, nine hundred twenty".