121769241 has 32 divisors (see below), whose sum is σ = 181104000. Its totient is φ = 72161280.

The previous prime is 121769239. The next prime is 121769261. The reversal of 121769241 is 142967121.

It is a happy number.

It is not a de Polignac number, because 121769241 - 2¹ = 121769239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (121769201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348735 + ... + 349083.

It is an arithmetic number, because the mean of its divisors is an integer number (5659500).

Almost surely, 2^121769241 is an apocalyptic number.

121769241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121769241 is a deficient number, since it is larger than the sum of its proper divisors (59334759).

121769241 is a wasteful number, since it uses less digits than its factorization.

121769241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its digits is 6048, while the sum is 33.

The square root of 121769241 is about 11034.9101038477. The cubic root of 121769241 is about 495.6546668913.

The spelling of 121769241 in words is "one hundred twenty-one million, seven hundred sixty-nine thousand, two hundred forty-one".