2154127 has 2 divisors, whose sum is σ = 2154128. Its totient is φ = 2154126.

The previous prime is 2154109. The next prime is 2154137. The reversal of 2154127 is 7214512.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2154127 - 2¹¹ = 2152079 is a prime.

It is a Chen prime.

2154127 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2154098 and 2154107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077063 + 1077064.

It is an arithmetic number, because the mean of its divisors is an integer number (1077064).

2^2154127 is an apocalyptic number.

2154127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154127 is an equidigital number, since it uses as much as digits as its factorization.

2154127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560, while the sum is 22.

The square root of 2154127 is about 1467.6944504903. The cubic root of 2154127 is about 129.1488176978.

Adding to 2154127 its reverse (7214512), we get a palindrome (9368639).

The spelling of 2154127 in words is "two million, one hundred fifty-four thousand, one hundred twenty-seven".