121205034 has 12 divisors (see below), whose sum is σ = 262610946. Its totient is φ = 40401672.

The previous prime is 121205033. The next prime is 121205041. The reversal of 121205034 is 430502121.

It can be written as a sum of positive squares in only one way, i.e., 80946009 + 40259025 = 8997^2 + 6345^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6733613 = 121205034 / (1 + 2 + 1 + 2 + 0 + 5 + 0 + 3 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 121204998 and 121205016.

It is not an unprimeable number, because it can be changed into a prime (121205033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3366789 + ... + 3366824.

Almost surely, 2^121205034 is an apocalyptic number.

121205034 is an abundant number, since it is smaller than the sum of its proper divisors (141405912).

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

121205034 is a wasteful number, since it uses less digits than its factorization.

121205034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733621 (or 6733618 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 121205034 is about 11009.3157825543. The cubic root of 121205034 is about 494.8879575002.

Adding to 121205034 its reverse (430502121), we get a palindrome (551707155).

The spelling of 121205034 in words is "one hundred twenty-one million, two hundred five thousand, thirty-four".