126015560 has 96 divisors (see below), whose sum is σ = 328907520. Its totient is φ = 43084800.

The previous prime is 126015553. The next prime is 126015583. The reversal of 126015560 is 65510621.

It is a super-2 number, since 2×126015560² = 31759842724227200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126665 + ... + 127655.

It is an arithmetic number, because the mean of its divisors is an integer number (3426120).

Almost surely, 2^126015560 is an apocalyptic number.

126015560 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 126015560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164453760).

126015560 is an abundant number, since it is smaller than the sum of its proper divisors (202891960).

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

126015560 is a wasteful number, since it uses less digits than its factorization.

126015560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 126015560 is about 11225.6652364125. The cubic root of 126015560 is about 501.3504293973.

The spelling of 126015560 in words is "one hundred twenty-six million, fifteen thousand, five hundred sixty".