121311134 has 16 divisors (see below), whose sum is σ = 209983488. Its totient is φ = 51485112.

The previous prime is 121311121. The next prime is 121311137. The reversal of 121311134 is 431113121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121311137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40622 + ... + 43505.

It is an arithmetic number, because the mean of its divisors is an integer number (13123968).

Almost surely, 2^121311134 is an apocalyptic number.

121311134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121311134 is a deficient number, since it is larger than the sum of its proper divisors (88672354).

121311134 is a wasteful number, since it uses less digits than its factorization.

121311134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84239.

The product of its digits is 72, while the sum is 17.

The square root of 121311134 is about 11014.1333748961. The cubic root of 121311134 is about 495.0323197616.

Adding to 121311134 its reverse (431113121), we get a palindrome (552424255).

The spelling of 121311134 in words is "one hundred twenty-one million, three hundred eleven thousand, one hundred thirty-four".