126500378 has 16 divisors (see below), whose sum is σ = 196560000. Its totient is φ = 60986352.

The previous prime is 126500371. The next prime is 126500389. The reversal of 126500378 is 873005621.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126500371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80363 + ... + 81921.

It is an arithmetic number, because the mean of its divisors is an integer number (12285000).

Almost surely, 2^126500378 is an apocalyptic number.

126500378 is a deficient number, since it is larger than the sum of its proper divisors (70059622).

126500378 is a wasteful number, since it uses less digits than its factorization.

126500378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 126500378 is about 11247.2386833391. The cubic root of 126500378 is about 501.9925529178.

Adding to 126500378 its reverse (873005621), we get a palindrome (999505999).

The spelling of 126500378 in words is "one hundred twenty-six million, five hundred thousand, three hundred seventy-eight".