121623282 has 80 divisors (see below), whose sum is σ = 300145824. Its totient is φ = 36504000.

The previous prime is 121623277. The next prime is 121623283. The reversal of 121623282 is 282326121.

121623282 is a `hidden beast` number, since 12 + 1 + 623 + 28 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121623283) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 233182 + ... + 233702.

Almost surely, 2^121623282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121623282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150072912).

121623282 is an abundant number, since it is smaller than the sum of its proper divisors (178522542).

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

121623282 is a wasteful number, since it uses less digits than its factorization.

121623282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 668 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 121623282 is about 11028.2946097753. The cubic root of 121623282 is about 495.4565484836.

The spelling of 121623282 in words is "one hundred twenty-one million, six hundred twenty-three thousand, two hundred eighty-two".