121748734 has 8 divisors (see below), whose sum is σ = 182670120. Its totient is φ = 60858696.

The previous prime is 121748719. The next prime is 121748761. The reversal of 121748734 is 437847121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121748693 and 121748702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9937 + ... + 18499.

It is an arithmetic number, because the mean of its divisors is an integer number (22833765).

Almost surely, 2^121748734 is an apocalyptic number.

121748734 is a deficient number, since it is larger than the sum of its proper divisors (60921386).

121748734 is an equidigital number, since it uses as much as digits as its factorization.

121748734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15674.

The product of its digits is 37632, while the sum is 37.

The square root of 121748734 is about 11033.9808772718. The cubic root of 121748734 is about 495.6268411426.

The spelling of 121748734 in words is "one hundred twenty-one million, seven hundred forty-eight thousand, seven hundred thirty-four".