121883628 has 18 divisors (see below), whose sum is σ = 284484396. Its totient is φ = 40615128.

The previous prime is 121883627. The next prime is 121883633. The reversal of 121883628 is 826388121.

It is not an unprimeable number, because it can be changed into a prime (121883621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36651 + ... + 39837.

Almost surely, 2^121883628 is an apocalyptic number.

It is an amenable number.

121883628 is an abundant number, since it is smaller than the sum of its proper divisors (162600768).

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

121883628 is an frugal number, since it uses more digits than its factorization.

121883628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 3192 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 121883628 is about 11040.0918474440. The cubic root of 121883628 is about 495.8098202127.

The spelling of 121883628 in words is "one hundred twenty-one million, eight hundred eighty-three thousand, six hundred twenty-eight".