121116710 has 32 divisors (see below), whose sum is σ = 256126752. Its totient is φ = 40654080.

The previous prime is 121116701. The next prime is 121116727. The reversal of 121116710 is 17611121.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 40919 + ... + 43778.

It is an arithmetic number, because the mean of its divisors is an integer number (8003961).

Almost surely, 2^121116710 is an apocalyptic number.

121116710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121116710 is an abundant number, since it is smaller than the sum of its proper divisors (135010042).

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

121116710 is a wasteful number, since it uses less digits than its factorization.

121116710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84728.

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 121116710 is about 11005.3037213882. The cubic root of 121116710 is about 494.7677174289.

Adding to 121116710 its reverse (17611121), we get a palindrome (138727831).

The spelling of 121116710 in words is "one hundred twenty-one million, one hundred sixteen thousand, seven hundred ten".