121105748 has 12 divisors (see below), whose sum is σ = 212261280. Its totient is φ = 60459672.

The previous prime is 121105727. The next prime is 121105757. The reversal of 121105748 is 847501121.

It is a self number, because there is not a number n which added to its sum of digits gives 121105748.

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, 20336 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (17688440).

Almost surely, 2^121105748 is an apocalyptic number.

It is an amenable number.

121105748 is a deficient number, since it is larger than the sum of its proper divisors (91155532).

121105748 is a wasteful number, since it uses less digits than its factorization.

121105748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46606 (or 46604 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 121105748 is about 11004.8056775211. The cubic root of 121105748 is about 494.7527902089.

Adding to 121105748 its reverse (847501121), we get a palindrome (968606869).

It can be divided in two parts, 12 and 1105748, that multiplied together give a triangular number (13268976 = T₅₁₅₁).

The spelling of 121105748 in words is "one hundred twenty-one million, one hundred five thousand, seven hundred forty-eight".