121032231 has 16 divisors (see below), whose sum is σ = 174096864. Its totient is φ = 74507264.

The previous prime is 121032211. The next prime is 121032271. The reversal of 121032231 is 132230121.

It is a cyclic number.

It is not a de Polignac number, because 121032231 - 2¹¹ = 121030183 is a prime.

It is a super-3 number, since 3×121032231³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 121032231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121032211) 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, 19686 + ... + 25091.

It is an arithmetic number, because the mean of its divisors is an integer number (10881054).

Almost surely, 2^121032231 is an apocalyptic number.

121032231 is a deficient number, since it is larger than the sum of its proper divisors (53064633).

121032231 is a wasteful number, since it uses less digits than its factorization.

121032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44850.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121032231 is about 11001.4649479058. The cubic root of 121032231 is about 494.6526570499.

Adding to 121032231 its reverse (132230121), we get a palindrome (253262352).

The spelling of 121032231 in words is "one hundred twenty-one million, thirty-two thousand, two hundred thirty-one".