126784120 has 16 divisors (see below), whose sum is σ = 285264360. Its totient is φ = 50713632.

The previous prime is 126784117. The next prime is 126784121. The reversal of 126784120 is 21487621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126784121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584762 + ... + 1584841.

Almost surely, 2^126784120 is an apocalyptic number.

126784120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126784120 is an abundant number, since it is smaller than the sum of its proper divisors (158480240).

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

126784120 is a wasteful number, since it uses less digits than its factorization.

126784120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169614 (or 3169610 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 126784120 is about 11259.8454696323. The cubic root of 126784120 is about 502.3675979312.

The spelling of 126784120 in words is "one hundred twenty-six million, seven hundred eighty-four thousand, one hundred twenty".