121431334 has 4 divisors (see below), whose sum is σ = 182147004. Its totient is φ = 60715666.

The previous prime is 121431313. The next prime is 121431361. The reversal of 121431334 is 433134121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433134121 = 7 ⋅61876303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30357832 + ... + 30357835.

It is an arithmetic number, because the mean of its divisors is an integer number (45536751).

Almost surely, 2^121431334 is an apocalyptic number.

121431334 is a deficient number, since it is larger than the sum of its proper divisors (60715670).

121431334 is an equidigital number, since it uses as much as digits as its factorization.

121431334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60715669.

The product of its digits is 864, while the sum is 22.

The square root of 121431334 is about 11019.5886493099. The cubic root of 121431334 is about 495.1957651687.

Adding to 121431334 its reverse (433134121), we get a palindrome (554565455).

The spelling of 121431334 in words is "one hundred twenty-one million, four hundred thirty-one thousand, three hundred thirty-four".