121163747 has 12 divisors (see below), whose sum is σ = 127344840. Its totient is φ = 115270848.

The previous prime is 121163719. The next prime is 121163771. The reversal of 121163747 is 747361121.

It is not a de Polignac number, because 121163747 - 2⁶ = 121163683 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (121163797) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 119579 + ... + 120587.

It is an arithmetic number, because the mean of its divisors is an integer number (10612070).

Almost surely, 2^121163747 is an apocalyptic number.

121163747 is a deficient number, since it is larger than the sum of its proper divisors (6181093).

121163747 is a wasteful number, since it uses less digits than its factorization.

121163747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1259 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 121163747 is about 11007.4405290240. The cubic root of 121163747 is about 494.8317586254.

The spelling of 121163747 in words is "one hundred twenty-one million, one hundred sixty-three thousand, seven hundred forty-seven".