121003434 has 12 divisors (see below), whose sum is σ = 262174146. Its totient is φ = 40334472.

The previous prime is 121003417. The next prime is 121003439. The reversal of 121003434 is 434300121.

It can be written as a sum of positive squares in only one way, i.e., 96530625 + 24472809 = 9825^2 + 4947^2 .

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: 6722413 = 121003434 / (1 + 2 + 1 + 0 + 0 + 3 + 4 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (121003439) 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, 3361189 + ... + 3361224.

Almost surely, 2^121003434 is an apocalyptic number.

121003434 is an abundant number, since it is smaller than the sum of its proper divisors (141170712).

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

121003434 is a wasteful number, since it uses less digits than its factorization.

121003434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722421 (or 6722418 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 121003434 is about 11000.1560898016. The cubic root of 121003434 is about 494.6134233066.

Adding to 121003434 its reverse (434300121), we get a palindrome (555303555).

The spelling of 121003434 in words is "one hundred twenty-one million, three thousand, four hundred thirty-four".