121445387294 has 32 divisors (see below), whose sum is σ = 229460103936. Its totient is φ = 46828581120.

The previous prime is 121445387281. The next prime is 121445387299. The reversal of 121445387294 is 492783544121.

121445387294 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121445387299) 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, 4050044 + ... + 4079919.

It is an arithmetic number, because the mean of its divisors is an integer number (7170628248).

Almost surely, 2^121445387294 is an apocalyptic number.

121445387294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121445387294 is a deficient number, since it is larger than the sum of its proper divisors (108014716642).

121445387294 is a wasteful number, since it uses less digits than its factorization.

121445387294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130080.

The product of its digits is 1935360, while the sum is 50.

The spelling of 121445387294 in words is "one hundred twenty-one billion, four hundred forty-five million, three hundred eighty-seven thousand, two hundred ninety-four".