121769202 has 16 divisors (see below), whose sum is σ = 251936640. Its totient is φ = 39190032.

The previous prime is 121769201. The next prime is 121769203. The reversal of 121769202 is 202967121.

It is an interprime number because it is at equal distance from previous prime (121769201) and next prime (121769203).

It is a self number, because there is not a number n which added to its sum of digits gives 121769202.

It is not an unprimeable number, because it can be changed into a prime (121769201) 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, 349738 + ... + 350085.

It is an arithmetic number, because the mean of its divisors is an integer number (15746040).

Almost surely, 2^121769202 is an apocalyptic number.

121769202 is an abundant number, since it is smaller than the sum of its proper divisors (130167438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121769202 is a wasteful number, since it uses less digits than its factorization.

121769202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699857.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 121769202 is about 11034.9083367285. The cubic root of 121769202 is about 495.6546139756.

The spelling of 121769202 in words is "one hundred twenty-one million, seven hundred sixty-nine thousand, two hundred two".