126434520 has 80 divisors (see below), whose sum is σ = 424971360. Its totient is φ = 33715008.

The previous prime is 126434509. The next prime is 126434537. The reversal of 126434520 is 25434621.

126434520 is a `hidden beast` number, since 12 + 643 + 4 + 5 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16272 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (5312142).

Almost surely, 2^126434520 is an apocalyptic number.

126434520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126434520 is an abundant number, since it is smaller than the sum of its proper divisors (298536840).

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

126434520 is a wasteful number, since it uses less digits than its factorization.

126434520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39046 (or 39033 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 126434520 is about 11244.3105613461. The cubic root of 126434520 is about 501.9054228371.

The spelling of 126434520 in words is "one hundred twenty-six million, four hundred thirty-four thousand, five hundred twenty".