121507029 has 24 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 69010848.

The previous prime is 121507027. The next prime is 121507063. The reversal of 121507029 is 920705121.

It is not a de Polignac number, because 121507029 - 2¹ = 121507027 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121506993 and 121507011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121507027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4747 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (8408400).

Almost surely, 2^121507029 is an apocalyptic number.

It is an amenable number.

121507029 is a deficient number, since it is larger than the sum of its proper divisors (80294571).

121507029 is a wasteful number, since it uses less digits than its factorization.

121507029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11729 (or 11726 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 121507029 is about 11023.0226798279. The cubic root of 121507029 is about 495.2986382803.

The spelling of 121507029 in words is "one hundred twenty-one million, five hundred seven thousand, twenty-nine".