1141302521 has 4 divisors (see below), whose sum is σ = 1152383232. Its totient is φ = 1130221812.

The previous prime is 1141302499. The next prime is 1141302529. The reversal of 1141302521 is 1252031411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1141302521 - 2¹⁴ = 1141286137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1141302493 and 1141302502.

It is not an unprimeable number, because it can be changed into a prime (1141302529) 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, 5540201 + ... + 5540406.

It is an arithmetic number, because the mean of its divisors is an integer number (288095808).

Almost surely, 2^1141302521 is an apocalyptic number.

It is an amenable number.

1141302521 is a deficient number, since it is larger than the sum of its proper divisors (11080711).

1141302521 is a wasteful number, since it uses less digits than its factorization.

1141302521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080710.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1141302521 is about 33783.1691971017. The cubic root of 1141302521 is about 1045.0416323088.

Adding to 1141302521 its reverse (1252031411), we get a palindrome (2393333932).

The spelling of 1141302521 in words is "one billion, one hundred forty-one million, three hundred two thousand, five hundred twenty-one".