154274121 has 24 divisors (see below), whose sum is σ = 226606016. Its totient is φ = 101126880.

The previous prime is 154274119. The next prime is 154274137. The reversal of 154274121 is 121472451.

It is not a de Polignac number, because 154274121 - 2¹ = 154274119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154274101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150591 + ... + 151611.

Almost surely, 2^154274121 is an apocalyptic number.

It is an amenable number.

154274121 is a deficient number, since it is larger than the sum of its proper divisors (72331895).

154274121 is a wasteful number, since it uses less digits than its factorization.

154274121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1290 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 154274121 is about 12420.7133853092. The cubic root of 154274121 is about 536.3286868412.

The spelling of 154274121 in words is "one hundred fifty-four million, two hundred seventy-four thousand, one hundred twenty-one".