121136453107 has 16 divisors (see below), whose sum is σ = 127804105728. Its totient is φ = 114588603360.

The previous prime is 121136453093. The next prime is 121136453111. The reversal of 121136453107 is 701354631121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121136453107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121136853107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725757 + ... + 1794577.

It is an arithmetic number, because the mean of its divisors is an integer number (7987756608).

Almost surely, 2^121136453107 is an apocalyptic number.

121136453107 is a deficient number, since it is larger than the sum of its proper divisors (6667652621).

121136453107 is a wasteful number, since it uses less digits than its factorization.

121136453107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69690.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 121136453107 in words is "one hundred twenty-one billion, one hundred thirty-six million, four hundred fifty-three thousand, one hundred seven".