126105560 has 32 divisors (see below), whose sum is σ = 324272160. Its totient is φ = 43236096.

The previous prime is 126105557. The next prime is 126105569. The reversal of 126105560 is 65501621.

It is a super-2 number, since 2×126105560² = 31805224525827200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126105569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224909 + ... + 225468.

It is an arithmetic number, because the mean of its divisors is an integer number (10133505).

Almost surely, 2^126105560 is an apocalyptic number.

126105560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126105560 is an abundant number, since it is smaller than the sum of its proper divisors (198166600).

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

126105560 is a wasteful number, since it uses less digits than its factorization.

126105560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450395 (or 450391 counting only the distinct ones).

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

The square root of 126105560 is about 11229.6731920390. The cubic root of 126105560 is about 501.4697554048.

The spelling of 126105560 in words is "one hundred twenty-six million, one hundred five thousand, five hundred sixty".