126302340 has 48 divisors (see below), whose sum is σ = 356368320. Its totient is φ = 33421440.

The previous prime is 126302327. The next prime is 126302347. The reversal of 126302340 is 43203621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (126302347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175 + ... + 15894.

It is an arithmetic number, because the mean of its divisors is an integer number (7424340).

Almost surely, 2^126302340 is an apocalyptic number.

126302340 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 126302340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178184160).

126302340 is an abundant number, since it is smaller than the sum of its proper divisors (230065980).

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

126302340 is a wasteful number, since it uses less digits than its factorization.

126302340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16212 (or 16210 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 126302340 is about 11238.4313852067. The cubic root of 126302340 is about 501.7304574582.

Adding to 126302340 its reverse (43203621), we get a palindrome (169505961).

The spelling of 126302340 in words is "one hundred twenty-six million, three hundred two thousand, three hundred forty".