121323336 has 64 divisors (see below), whose sum is σ = 315187200. Its totient is φ = 38875200.

The previous prime is 121323313. The next prime is 121323337. The reversal of 121323336 is 633323121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (121323337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132721 + ... + 133631.

It is an arithmetic number, because the mean of its divisors is an integer number (4924800).

Almost surely, 2^121323336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121323336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157593600).

121323336 is an abundant number, since it is smaller than the sum of its proper divisors (193863864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121323336 is a wasteful number, since it uses less digits than its factorization.

121323336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1126 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

The square root of 121323336 is about 11014.6872856201. The cubic root of 121323336 is about 495.0489167044.

Adding to 121323336 its reverse (633323121), we get a palindrome (754646457).

The spelling of 121323336 in words is "one hundred twenty-one million, three hundred twenty-three thousand, three hundred thirty-six".