1143151 has 4 divisors (see below), whose sum is σ = 1182600. Its totient is φ = 1103704.

The previous prime is 1143143. The next prime is 1143161. The reversal of 1143151 is 1513411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1513411 = 37 ⋅40903.

It is a cyclic number.

It is not a de Polignac number, because 1143151 - 2³ = 1143143 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19681 + ... + 19738.

It is an arithmetic number, because the mean of its divisors is an integer number (295650).

2^1143151 is an apocalyptic number.

1143151 is a deficient number, since it is larger than the sum of its proper divisors (39449).

1143151 is an equidigital number, since it uses as much as digits as its factorization.

1143151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39448.

The product of its digits is 60, while the sum is 16.

The square root of 1143151 is about 1069.1823979097. The cubic root of 1143151 is about 104.5605518897.

Adding to 1143151 its reverse (1513411), we get a palindrome (2656562).

The spelling of 1143151 in words is "one million, one hundred forty-three thousand, one hundred fifty-one".