121743075 has 24 divisors (see below), whose sum is σ = 201875968. Its totient is φ = 64738080.

The previous prime is 121743053. The next prime is 121743079. The reversal of 121743075 is 570347121.

It is not a de Polignac number, because 121743075 - 2⁵ = 121743043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121743079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25314 + ... + 29736.

Almost surely, 2^121743075 is an apocalyptic number.

121743075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121743075 is a deficient number, since it is larger than the sum of its proper divisors (80132893).

121743075 is a wasteful number, since it uses less digits than its factorization.

121743075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803 (or 4798 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 121743075 is about 11033.7244391910. The cubic root of 121743075 is about 495.6191619505.

The spelling of 121743075 in words is "one hundred twenty-one million, seven hundred forty-three thousand, seventy-five".