154356121 has 8 divisors (see below), whose sum is σ = 155875104. Its totient is φ = 152842560.

The previous prime is 154356101. The next prime is 154356143. The reversal of 154356121 is 121653451.

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 154356121 - 2¹³ = 154347929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154356121.

It is not an unprimeable number, because it can be changed into a prime (154356101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76690 + ... + 78676.

It is an arithmetic number, because the mean of its divisors is an integer number (19484388).

Almost surely, 2^154356121 is an apocalyptic number.

It is an amenable number.

154356121 is a deficient number, since it is larger than the sum of its proper divisors (1518983).

154356121 is a wasteful number, since it uses less digits than its factorization.

154356121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its digits is 3600, while the sum is 28.

The square root of 154356121 is about 12424.0138844095. The cubic root of 154356121 is about 536.4236934057.

The spelling of 154356121 in words is "one hundred fifty-four million, three hundred fifty-six thousand, one hundred twenty-one".