126109560 has 32 divisors (see below), whose sum is σ = 378329040. Its totient is φ = 33629184.

The previous prime is 126109547. The next prime is 126109589. The reversal of 126109560 is 65901621.

It is a super-2 number, since 2×126109560² = 31807242246787200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525337 + ... + 525576.

Almost surely, 2^126109560 is an apocalyptic number.

126109560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126109560 is an abundant number, since it is smaller than the sum of its proper divisors (252219480).

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

126109560 is a wasteful number, since it uses less digits than its factorization.

126109560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050927 (or 1050923 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 126109560 is about 11229.8512901997. The cubic root of 126109560 is about 501.4750574651.

The spelling of 126109560 in words is "one hundred twenty-six million, one hundred nine thousand, five hundred sixty".