126091140 has 96 divisors (see below), whose sum is σ = 405156864. Its totient is φ = 28702080.

The previous prime is 126091123. The next prime is 126091171. The reversal of 126091140 is 41190621.

It is a self number, because there is not a number n which added to its sum of digits gives 126091140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138567 + ... + 139473.

It is an arithmetic number, because the mean of its divisors is an integer number (4220384).

Almost surely, 2^126091140 is an apocalyptic number.

126091140 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 126091140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202578432).

126091140 is an abundant number, since it is smaller than the sum of its proper divisors (279065724).

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

126091140 is a wasteful number, since it uses less digits than its factorization.

126091140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 126091140 is about 11229.0311247231. The cubic root of 126091140 is about 501.4506405471.

The spelling of 126091140 in words is "one hundred twenty-six million, ninety-one thousand, one hundred forty".