121477763 has 16 divisors (see below), whose sum is σ = 134632800. Its totient is φ = 108691200.

The previous prime is 121477757. The next prime is 121477787. The reversal of 121477763 is 367774121.

It is a cyclic number.

It is not a de Polignac number, because 121477763 - 2¹⁶ = 121412227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121477703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224273 + ... + 224813.

It is an arithmetic number, because the mean of its divisors is an integer number (8414550).

Almost surely, 2^121477763 is an apocalyptic number.

121477763 is a deficient number, since it is larger than the sum of its proper divisors (13155037).

121477763 is a wasteful number, since it uses less digits than its factorization.

121477763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838.

The product of its digits is 49392, while the sum is 38.

The square root of 121477763 is about 11021.6951055634. The cubic root of 121477763 is about 495.2588694592.

The spelling of 121477763 in words is "one hundred twenty-one million, four hundred seventy-seven thousand, seven hundred sixty-three".