121033156 has 6 divisors (see below), whose sum is σ = 211808030. Its totient is φ = 60516576.

The previous prime is 121033139. The next prime is 121033169. The reversal of 121033156 is 651330121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119028100 + 2005056 = 10910^2 + 1416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15129141 + ... + 15129148.

Almost surely, 2^121033156 is an apocalyptic number.

It is an amenable number.

121033156 is a deficient number, since it is larger than the sum of its proper divisors (90774874).

121033156 is a wasteful number, since it uses less digits than its factorization.

121033156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30258293 (or 30258291 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 121033156 is about 11001.5069876813. The cubic root of 121033156 is about 494.6539171895.

Adding to 121033156 its reverse (651330121), we get a palindrome (772363277).

The spelling of 121033156 in words is "one hundred twenty-one million, thirty-three thousand, one hundred fifty-six".