154100520121 has 16 divisors (see below), whose sum is σ = 157908240000. Its totient is φ = 150339264768.

The previous prime is 154100520113. The next prime is 154100520173. The reversal of 154100520121 is 121025001451.

154100520121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 154100520121 - 2³ = 154100520113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154100520092 and 154100520101.

It is not an unprimeable number, because it can be changed into a prime (154100526121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10584555 + ... + 10599103.

It is an arithmetic number, because the mean of its divisors is an integer number (9869265000).

Almost surely, 2^154100520121 is an apocalyptic number.

It is an amenable number.

154100520121 is a deficient number, since it is larger than the sum of its proper divisors (3807719879).

154100520121 is a wasteful number, since it uses less digits than its factorization.

154100520121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16128.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 154100520121 its reverse (121025001451), we get a palindrome (275125521572).

The spelling of 154100520121 in words is "one hundred fifty-four billion, one hundred million, five hundred twenty thousand, one hundred twenty-one".