121769963 has 8 divisors (see below), whose sum is σ = 147352032. Its totient is φ = 98234496.

The previous prime is 121769957. The next prime is 121769971. The reversal of 121769963 is 369967121.

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

It is a cyclic number.

It is not a de Polignac number, because 121769963 - 2⁸ = 121769707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121769363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511520 + ... + 511757.

It is an arithmetic number, because the mean of its divisors is an integer number (18419004).

Almost surely, 2^121769963 is an apocalyptic number.

121769963 is a deficient number, since it is larger than the sum of its proper divisors (25582069).

121769963 is a wasteful number, since it uses less digits than its factorization.

121769963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023301.

The product of its digits is 122472, while the sum is 44.

The square root of 121769963 is about 11034.9428181572. The cubic root of 121769963 is about 495.6556465092.

The spelling of 121769963 in words is "one hundred twenty-one million, seven hundred sixty-nine thousand, nine hundred sixty-three".