1154151 has 6 divisors (see below), whose sum is σ = 1667120. Its totient is φ = 769428.

The previous prime is 1154129. The next prime is 1154159. The reversal of 1154151 is 1514511.

It is a happy number.

It is not a de Polignac number, because 1154151 - 2⁵ = 1154119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64111 + ... + 64128.

2^1154151 is an apocalyptic number.

1154151 is a deficient number, since it is larger than the sum of its proper divisors (512969).

1154151 is a wasteful number, since it uses less digits than its factorization.

1154151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128245 (or 128242 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 1154151 is about 1074.3141998503. The cubic root of 1154151 is about 104.8948607428.

Adding to 1154151 its reverse (1514511), we get a palindrome (2668662).

The spelling of 1154151 in words is "one million, one hundred fifty-four thousand, one hundred fifty-one".