121650930 has 64 divisors (see below), whose sum is σ = 325584000. Its totient is φ = 32322240.

The previous prime is 121650871. The next prime is 121650937. The reversal of 121650930 is 39056121.

121650930 is a `hidden beast` number, since 1 + 2 + 1 + 650 + 9 + 3 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 121650894 and 121650903.

It is not an unprimeable number, because it can be changed into a prime (121650937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93585 + ... + 94875.

It is an arithmetic number, because the mean of its divisors is an integer number (5087250).

Almost surely, 2^121650930 is an apocalyptic number.

121650930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121650930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162792000).

121650930 is an abundant number, since it is smaller than the sum of its proper divisors (203933070).

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

121650930 is a wasteful number, since it uses less digits than its factorization.

121650930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 121650930 is about 11029.5480415110. The cubic root of 121650930 is about 495.4940888420.

The spelling of 121650930 in words is "one hundred twenty-one million, six hundred fifty thousand, nine hundred thirty".