121822628 has 12 divisors (see below), whose sum is σ = 222458880. Its totient is φ = 58262952.

The previous prime is 121822627. The next prime is 121822667. The reversal of 121822628 is 826228121.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 121822594 and 121822603.

It is not an unprimeable number, because it can be changed into a prime (121822627) 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, 661988 + ... + 662171.

It is an arithmetic number, because the mean of its divisors is an integer number (18538240).

Almost surely, 2^121822628 is an apocalyptic number.

It is an amenable number.

121822628 is a deficient number, since it is larger than the sum of its proper divisors (100636252).

121822628 is a wasteful number, since it uses less digits than its factorization.

121822628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324186 (or 1324184 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 121822628 is about 11037.3288435201. The cubic root of 121822628 is about 495.7270925419.

The spelling of 121822628 in words is "one hundred twenty-one million, eight hundred twenty-two thousand, six hundred twenty-eight".