121813010 has 32 divisors (see below), whose sum is σ = 239716800. Its totient is φ = 44199360.

The previous prime is 121812989. The next prime is 121813033. The reversal of 121813010 is 10318121.

It is a self number, because there is not a number n which added to its sum of digits gives 121813010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67196 + ... + 68984.

It is an arithmetic number, because the mean of its divisors is an integer number (7491150).

Almost surely, 2^121813010 is an apocalyptic number.

121813010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121813010 is a deficient number, since it is larger than the sum of its proper divisors (117903790).

121813010 is a wasteful number, since it uses less digits than its factorization.

121813010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 121813010 is about 11036.8931316743. The cubic root of 121813010 is about 495.7140461735.

The spelling of 121813010 in words is "one hundred twenty-one million, eight hundred thirteen thousand, ten".