154020121041 has 8 divisors (see below), whose sum is σ = 206547215040. Its totient is φ = 102086553872.

The previous prime is 154020121019. The next prime is 154020121049. The reversal of 154020121041 is 140121020451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154020121041 - 2⁷ = 154020120913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154020120999 and 154020121017.

It is not an unprimeable number, because it can be changed into a prime (154020121049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148381101 + ... + 148382138.

It is an arithmetic number, because the mean of its divisors is an integer number (25818401880).

Almost surely, 2^154020121041 is an apocalyptic number.

It is an amenable number.

154020121041 is a deficient number, since it is larger than the sum of its proper divisors (52527093999).

154020121041 is a wasteful number, since it uses less digits than its factorization.

154020121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296763415.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 154020121041 its reverse (140121020451), we get a palindrome (294141141492).

The spelling of 154020121041 in words is "one hundred fifty-four billion, twenty million, one hundred twenty-one thousand, forty-one".