154026121 has 2 divisors, whose sum is σ = 154026122. Its totient is φ = 154026120.

The previous prime is 154026107. The next prime is 154026139. The reversal of 154026121 is 121620451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78074896 + 75951225 = 8836^2 + 8715^2 .

It is a cyclic number.

It is not a de Polignac number, because 154026121 - 2¹⁵ = 153993353 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 154026092 and 154026101.

It is not a weakly prime, because it can be changed into another prime (154026161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77013060 + 77013061.

It is an arithmetic number, because the mean of its divisors is an integer number (77013061).

Almost surely, 2^154026121 is an apocalyptic number.

It is an amenable number.

154026121 is a deficient number, since it is larger than the sum of its proper divisors (1).

154026121 is an equidigital number, since it uses as much as digits as its factorization.

154026121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 154026121 is about 12410.7260464487. The cubic root of 154026121 is about 536.0411448793.

Adding to 154026121 its reverse (121620451), we get a palindrome (275646572).

The spelling of 154026121 in words is "one hundred fifty-four million, twenty-six thousand, one hundred twenty-one".