1140151 has 4 divisors (see below), whose sum is σ = 1158904. Its totient is φ = 1121400.

The previous prime is 1140143. The next prime is 1140157. The reversal of 1140151 is 1510411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140151 - 2³ = 1140143 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 (1140157) 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, 9285 + ... + 9406.

It is an arithmetic number, because the mean of its divisors is an integer number (289726).

2^1140151 is an apocalyptic number.

1140151 is a deficient number, since it is larger than the sum of its proper divisors (18753).

1140151 is an equidigital number, since it uses as much as digits as its factorization.

1140151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18752.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1140151 is about 1067.7785350905. The cubic root of 1140151 is about 104.4690047954.

Adding to 1140151 its reverse (1510411), we get a palindrome (2650562).

The spelling of 1140151 in words is "one million, one hundred forty thousand, one hundred fifty-one".