122551804 has 12 divisors (see below), whose sum is σ = 221384128. Its totient is φ = 59299200.

The previous prime is 122551801. The next prime is 122551817. The reversal of 122551804 is 408155221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122551801) 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, 494037 + ... + 494284.

Almost surely, 2^122551804 is an apocalyptic number.

It is an amenable number.

122551804 is a deficient number, since it is larger than the sum of its proper divisors (98832324).

122551804 is a wasteful number, since it uses less digits than its factorization.

122551804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988356 (or 988354 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 122551804 is about 11070.3118293931. The cubic root of 122551804 is about 496.7141929106.

The spelling of 122551804 in words is "one hundred twenty-two million, five hundred fifty-one thousand, eight hundred four".