126019340 has 48 divisors (see below), whose sum is σ = 274391040. Its totient is φ = 48565440.

The previous prime is 126019301. The next prime is 126019349. The reversal of 126019340 is 43910621.

It is not an unprimeable number, because it can be changed into a prime (126019349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 271949 + ... + 272411.

It is an arithmetic number, because the mean of its divisors is an integer number (5716480).

Almost surely, 2^126019340 is an apocalyptic number.

126019340 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 126019340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137195520).

126019340 is an abundant number, since it is smaller than the sum of its proper divisors (148371700).

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

126019340 is a wasteful number, since it uses less digits than its factorization.

126019340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 126019340 is about 11225.8335993368. The cubic root of 126019340 is about 501.3554422324.

Adding to 126019340 its reverse (43910621), we get a palindrome (169929961).

The spelling of 126019340 in words is "one hundred twenty-six million, nineteen thousand, three hundred forty".