126340004 has 48 divisors (see below), whose sum is σ = 265359360. Its totient is φ = 51490080.

The previous prime is 126340003. The next prime is 126340051. The reversal of 126340004 is 400043621.

It is a happy number.

It is a super-2 number, since 2×126340004² = 31923593221440032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126340001) 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, 49979 + ... + 52445.

It is an arithmetic number, because the mean of its divisors is an integer number (5528320).

Almost surely, 2^126340004 is an apocalyptic number.

126340004 is a gapful number since it is divisible by the number (14) 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 126340004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132679680).

126340004 is an abundant number, since it is smaller than the sum of its proper divisors (139019356).

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

126340004 is a wasteful number, since it uses less digits than its factorization.

126340004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 126340004 is about 11240.1069389931. The cubic root of 126340004 is about 501.7803253594.

Adding to 126340004 its reverse (400043621), we get a palindrome (526383625).

The spelling of 126340004 in words is "one hundred twenty-six million, three hundred forty thousand, four".