1141251 has 4 divisors (see below), whose sum is σ = 1521672. Its totient is φ = 760832.

The previous prime is 1141243. The next prime is 1141253. The reversal of 1141251 is 1521411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1521411 = 3 ⋅507137.

It is a cyclic number.

It is not a de Polignac number, because 1141251 - 2³ = 1141243 is a prime.

It is a D-number.

1141251 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141251.

It is not an unprimeable number, because it can be changed into a prime (1141253) 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, 190206 + ... + 190211.

It is an arithmetic number, because the mean of its divisors is an integer number (380418).

2^1141251 is an apocalyptic number.

1141251 is a deficient number, since it is larger than the sum of its proper divisors (380421).

1141251 is an equidigital number, since it uses as much as digits as its factorization.

1141251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380420.

The product of its digits is 40, while the sum is 15.

The square root of 1141251 is about 1068.2934989973. The cubic root of 1141251 is about 104.5025906884.

Adding to 1141251 its reverse (1521411), we get a palindrome (2662662).

The spelling of 1141251 in words is "one million, one hundred forty-one thousand, two hundred fifty-one".