121734830 has 32 divisors (see below), whose sum is σ = 258508800. Its totient is φ = 40390560.

The previous prime is 121734829. The next prime is 121734853. The reversal of 121734830 is 38437121.

It is a junction number, because it is equal to n+sod(n) for n = 121734793 and 121734802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25880 + ... + 30219.

It is an arithmetic number, because the mean of its divisors is an integer number (8078400).

Almost surely, 2^121734830 is an apocalyptic number.

121734830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121734830 is an abundant number, since it is smaller than the sum of its proper divisors (136773970).

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

121734830 is a wasteful number, since it uses less digits than its factorization.

121734830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56144.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 121734830 is about 11033.3508056256. The cubic root of 121734830 is about 495.6079731629.

The spelling of 121734830 in words is "one hundred twenty-one million, seven hundred thirty-four thousand, eight hundred thirty".