121231411 has 8 divisors (see below), whose sum is σ = 139922784. Its totient is φ = 102883200.

The previous prime is 121231399. The next prime is 121231417. The reversal of 121231411 is 114132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121231411 - 2⁵ = 121231379 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 85030 + ... + 86443.

It is an arithmetic number, because the mean of its divisors is an integer number (17490348).

Almost surely, 2^121231411 is an apocalyptic number.

121231411 is a deficient number, since it is larger than the sum of its proper divisors (18691373).

121231411 is a wasteful number, since it uses less digits than its factorization.

121231411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171581.

The product of its digits is 48, while the sum is 16.

The square root of 121231411 is about 11010.5136574094. The cubic root of 121231411 is about 494.9238545594.

Adding to 121231411 its reverse (114132121), we get a palindrome (235363532).

It can be divided in two parts, 1212 and 31411, that added together give a palindrome (32623).

The spelling of 121231411 in words is "one hundred twenty-one million, two hundred thirty-one thousand, four hundred eleven".