1128151 has 2 divisors, whose sum is σ = 1128152. Its totient is φ = 1128150.

The previous prime is 1128143. The next prime is 1128161. The reversal of 1128151 is 1518211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1128151 - 2³ = 1128143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564075 + 564076.

It is an arithmetic number, because the mean of its divisors is an integer number (564076).

2^1128151 is an apocalyptic number.

1128151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128151 is an equidigital number, since it uses as much as digits as its factorization.

1128151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80, while the sum is 19.

The square root of 1128151 is about 1062.1445287719. The cubic root of 1128151 is about 104.1012020311.

The spelling of 1128151 in words is "one million, one hundred twenty-eight thousand, one hundred fifty-one".