121323031134 has 16 divisors (see below), whose sum is σ = 243421293072. Its totient is φ = 40311805248.

The previous prime is 121323031133. The next prime is 121323031153. The reversal of 121323031134 is 431130323121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323031133) 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, 32299249 + ... + 32303004.

It is an arithmetic number, because the mean of its divisors is an integer number (15213830817).

Almost surely, 2^121323031134 is an apocalyptic number.

121323031134 is an abundant number, since it is smaller than the sum of its proper divisors (122098261938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121323031134 is a wasteful number, since it uses less digits than its factorization.

121323031134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64602571.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121323031134 its reverse (431130323121), we get a palindrome (552453354255).

The spelling of 121323031134 in words is "one hundred twenty-one billion, three hundred twenty-three million, thirty-one thousand, one hundred thirty-four".