154112121 has 12 divisors (see below), whose sum is σ = 232285248. Its totient is φ = 98274264.

The previous prime is 154112117. The next prime is 154112131. The reversal of 154112121 is 121211451.

154112121 is a `hidden beast` number, since 1 + 541 + 1 + 2 + 121 = 666.

154112121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154112121 - 2² = 154112117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154112094 and 154112103.

It is not an unprimeable number, because it can be changed into a prime (154112111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372045 + ... + 372458.

It is an arithmetic number, because the mean of its divisors is an integer number (19357104).

Almost surely, 2^154112121 is an apocalyptic number.

It is an amenable number.

154112121 is a deficient number, since it is larger than the sum of its proper divisors (78173127).

154112121 is a wasteful number, since it uses less digits than its factorization.

154112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744532 (or 744529 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 154112121 is about 12414.1903078695. The cubic root of 154112121 is about 536.1408919460.

Adding to 154112121 its reverse (121211451), we get a palindrome (275323572).

The spelling of 154112121 in words is "one hundred fifty-four million, one hundred twelve thousand, one hundred twenty-one".