121016630 has 16 divisors (see below), whose sum is σ = 248948640. Its totient is φ = 41491392.

The previous prime is 121016629. The next prime is 121016633. The reversal of 121016630 is 36610121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121016633) 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, 864335 + ... + 864474.

It is an arithmetic number, because the mean of its divisors is an integer number (15559290).

Almost surely, 2^121016630 is an apocalyptic number.

121016630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121016630 is an abundant number, since it is smaller than the sum of its proper divisors (127932010).

121016630 is a wasteful number, since it uses less digits than its factorization.

121016630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728823.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 121016630 is about 11000.7558831200. The cubic root of 121016630 is about 494.6314026351.

Adding to 121016630 its reverse (36610121), we get a palindrome (157626751).

The spelling of 121016630 in words is "one hundred twenty-one million, sixteen thousand, six hundred thirty".