126220004 has 12 divisors (see below), whose sum is σ = 225585024. Its totient is φ = 61767144.

The previous prime is 126220001. The next prime is 126220013. The reversal of 126220004 is 400022621.

It is not an unprimeable number, because it can be changed into a prime (126220001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335504 + ... + 335879.

It is an arithmetic number, because the mean of its divisors is an integer number (18798752).

Almost surely, 2^126220004 is an apocalyptic number.

It is an amenable number.

126220004 is a deficient number, since it is larger than the sum of its proper divisors (99365020).

126220004 is a wasteful number, since it uses less digits than its factorization.

126220004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671434 (or 671432 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 126220004 is about 11234.7676433471. The cubic root of 126220004 is about 501.6214083862.

Adding to 126220004 its reverse (400022621), we get a palindrome (526242625).

The spelling of 126220004 in words is "one hundred twenty-six million, two hundred twenty thousand, four".