121231414 has 4 divisors (see below), whose sum is σ = 181847124. Its totient is φ = 60615706.

The previous prime is 121231399. The next prime is 121231417. The reversal of 121231414 is 414132121.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 121231391 and 121231400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30307852 + ... + 30307855.

It is an arithmetic number, because the mean of its divisors is an integer number (45461781).

Almost surely, 2^121231414 is an apocalyptic number.

121231414 is a deficient number, since it is larger than the sum of its proper divisors (60615710).

121231414 is an equidigital number, since it uses as much as digits as its factorization.

121231414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60615709.

The product of its digits is 192, while the sum is 19.

The square root of 121231414 is about 11010.5137936429. The cubic root of 121231414 is about 494.9238586418.

Adding to 121231414 its reverse (414132121), we get a palindrome (535363535).

The spelling of 121231414 in words is "one hundred twenty-one million, two hundred thirty-one thousand, four hundred fourteen".