121159396 has 12 divisors (see below), whose sum is σ = 212260860. Its totient is φ = 60513440.

The previous prime is 121159327. The next prime is 121159399. The reversal of 121159396 is 693951121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55711296 + 65448100 = 7464^2 + 8090^2 .

It is not an unprimeable number, because it can be changed into a prime (121159399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12331 + ... + 19858.

It is an arithmetic number, because the mean of its divisors is an integer number (17688405).

Almost surely, 2^121159396 is an apocalyptic number.

It is an amenable number.

121159396 is a deficient number, since it is larger than the sum of its proper divisors (91101464).

121159396 is a wasteful number, since it uses less digits than its factorization.

121159396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33134 (or 33132 counting only the distinct ones).

The product of its digits is 14580, while the sum is 37.

The square root of 121159396 is about 11007.2428882077. The cubic root of 121159396 is about 494.8258354050.

The spelling of 121159396 in words is "one hundred twenty-one million, one hundred fifty-nine thousand, three hundred ninety-six".