122820004 has 12 divisors (see below), whose sum is σ = 215107200. Its totient is φ = 61360808.

The previous prime is 122819947. The next prime is 122820013. The reversal of 122820004 is 400028221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6364 + ... + 16915.

It is an arithmetic number, because the mean of its divisors is an integer number (17925600).

Almost surely, 2^122820004 is an apocalyptic number.

It is an amenable number.

122820004 is a deficient number, since it is larger than the sum of its proper divisors (92287196).

122820004 is a wasteful number, since it uses less digits than its factorization.

122820004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24602 (or 24600 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 122820004 is about 11082.4186890769. The cubic root of 122820004 is about 497.0762756620.

Adding to 122820004 its reverse (400028221), we get a palindrome (522848225).

The spelling of 122820004 in words is "one hundred twenty-two million, eight hundred twenty thousand, four".