121314231 has 24 divisors (see below), whose sum is σ = 181799904. Its totient is φ = 77889600.

The previous prime is 121314229. The next prime is 121314241. The reversal of 121314231 is 132413121.

121314231 is a `hidden beast` number, since 121 + 314 + 231 = 666.

It is not a de Polignac number, because 121314231 - 2¹ = 121314229 is a prime.

It is a super-2 number, since 2×121314231² = 29434285286242722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121314241) 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, 31830 + ... + 35436.

It is an arithmetic number, because the mean of its divisors is an integer number (7574996).

Almost surely, 2^121314231 is an apocalyptic number.

121314231 is a deficient number, since it is larger than the sum of its proper divisors (60485673).

121314231 is a wasteful number, since it uses less digits than its factorization.

121314231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751 (or 3748 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 121314231 is about 11014.2739660860. The cubic root of 121314231 is about 495.0365323512.

Adding to 121314231 its reverse (132413121), we get a palindrome (253727352).

The spelling of 121314231 in words is "one hundred twenty-one million, three hundred fourteen thousand, two hundred thirty-one".