121822388 has 24 divisors (see below), whose sum is σ = 221810400. Its totient is φ = 58472288.

The previous prime is 121822387. The next prime is 121822403. The reversal of 121822388 is 883228121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121822381) 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, 17831 + ... + 23697.

It is an arithmetic number, because the mean of its divisors is an integer number (9242100).

Almost surely, 2^121822388 is an apocalyptic number.

It is an amenable number.

121822388 is a deficient number, since it is larger than the sum of its proper divisors (99988012).

121822388 is a wasteful number, since it uses less digits than its factorization.

121822388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079 (or 6077 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 121822388 is about 11037.3179713189. The cubic root of 121822388 is about 495.7267670014.

The spelling of 121822388 in words is "one hundred twenty-one million, eight hundred twenty-two thousand, three hundred eighty-eight".