121054545104 has 20 divisors (see below), whose sum is σ = 234552757380. Its totient is φ = 60524801280.

The previous prime is 121054545089. The next prime is 121054545119. The reversal of 121054545104 is 401545450121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121054545089) and next prime (121054545119).

It can be written as a sum of positive squares in 2 ways, for example, as 95204336704 + 25850208400 = 308552^2 + 160780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288092 + ... + 570180.

It is an arithmetic number, because the mean of its divisors is an integer number (11727637869).

Almost surely, 2^121054545104 is an apocalyptic number.

It is an amenable number.

121054545104 is a deficient number, since it is larger than the sum of its proper divisors (113498212276).

121054545104 is a wasteful number, since it uses less digits than its factorization.

121054545104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308918 (or 308912 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 121054545104 its reverse (401545450121), we get a palindrome (522599995225).

The spelling of 121054545104 in words is "one hundred twenty-one billion, fifty-four million, five hundred forty-five thousand, one hundred four".