126216004 has 24 divisors (see below), whose sum is σ = 235872000. Its totient is φ = 58964640.

The previous prime is 126216001. The next prime is 126216037. The reversal of 126216004 is 400612621.

It is not an unprimeable number, because it can be changed into a prime (126216001) 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, 13954 + ... + 21145.

It is an arithmetic number, because the mean of its divisors is an integer number (9828000).

Almost surely, 2^126216004 is an apocalyptic number.

It is an amenable number.

126216004 is a deficient number, since it is larger than the sum of its proper divisors (109655996).

126216004 is a wasteful number, since it uses less digits than its factorization.

126216004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35163 (or 35161 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 126216004 is about 11234.5896231238. The cubic root of 126216004 is about 501.6161094194.

Adding to 126216004 its reverse (400612621), we get a palindrome (526828625).

The spelling of 126216004 in words is "one hundred twenty-six million, two hundred sixteen thousand, four".