121033031 has 16 divisors (see below), whose sum is σ = 142611264. Its totient is φ = 100548864.

The previous prime is 121033019. The next prime is 121033039. The reversal of 121033031 is 130330121.

It is a cyclic number.

It is not a de Polignac number, because 121033031 - 2¹⁰ = 121032007 is a prime.

It is a super-2 number, since 2×121033031² = 29297989186093922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121032997 and 121033015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80321 + ... + 81813.

It is an arithmetic number, because the mean of its divisors is an integer number (8913204).

Almost surely, 2^121033031 is an apocalyptic number.

121033031 is a deficient number, since it is larger than the sum of its proper divisors (21578233).

121033031 is a wasteful number, since it uses less digits than its factorization.

121033031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 121033031 is about 11001.5013066399. The cubic root of 121033031 is about 494.6537469007.

Adding to 121033031 its reverse (130330121), we get a palindrome (251363152).

The spelling of 121033031 in words is "one hundred twenty-one million, thirty-three thousand, thirty-one".