1141002521 has 4 divisors (see below), whose sum is σ = 1141315344. Its totient is φ = 1140689700.

The previous prime is 1141002397. The next prime is 1141002529. The reversal of 1141002521 is 1252001411.

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 1141002521 - 2²² = 1136808217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141002521.

It is not an unprimeable number, because it can be changed into a prime (1141002529) 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, 150875 + ... + 158256.

It is an arithmetic number, because the mean of its divisors is an integer number (285328836).

Almost surely, 2^1141002521 is an apocalyptic number.

It is an amenable number.

1141002521 is a deficient number, since it is larger than the sum of its proper divisors (312823).

1141002521 is an equidigital number, since it uses as much as digits as its factorization.

1141002521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312822.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1141002521 is about 33778.7288245132. The cubic root of 1141002521 is about 1044.9500585856.

Adding to 1141002521 its reverse (1252001411), we get a palindrome (2393003932).

The spelling of 1141002521 in words is "one billion, one hundred forty-one million, two thousand, five hundred twenty-one".