121159802 has 16 divisors (see below), whose sum is σ = 187018632. Its totient is φ = 58843200.

The previous prime is 121159763. The next prime is 121159807. The reversal of 121159802 is 208951121.

It can be written as a sum of positive squares in 4 ways, for example, as 108972721 + 12187081 = 10439^2 + 3491^2 .

It is not an unprimeable number, because it can be changed into a prime (121159807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5048 + ... + 16364.

Almost surely, 2^121159802 is an apocalyptic number.

121159802 is a deficient number, since it is larger than the sum of its proper divisors (65858830).

121159802 is a wasteful number, since it uses less digits than its factorization.

121159802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11473.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 121159802 is about 11007.2613305945. The cubic root of 121159802 is about 494.8263881178.

The spelling of 121159802 in words is "one hundred twenty-one million, one hundred fifty-nine thousand, eight hundred two".