1141332121 has 4 divisors (see below), whose sum is σ = 1141405200. Its totient is φ = 1141259044.

The previous prime is 1141332119. The next prime is 1141332131. The reversal of 1141332121 is 1212331411.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1212331411 = 9791 ⋅123821.

It is a cyclic number.

It is not a de Polignac number, because 1141332121 - 2¹ = 1141332119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141332131) 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, 2611 + ... + 47848.

It is an arithmetic number, because the mean of its divisors is an integer number (285351300).

Almost surely, 2^1141332121 is an apocalyptic number.

It is an amenable number.

1141332121 is a deficient number, since it is larger than the sum of its proper divisors (73079).

1141332121 is an equidigital number, since it uses as much as digits as its factorization.

1141332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73078.

The product of its digits is 144, while the sum is 19.

The square root of 1141332121 is about 33783.6072822308. The cubic root of 1141332121 is about 1045.0506667131.

Adding to 1141332121 its reverse (1212331411), we get a palindrome (2353663532).

It can be divided in two parts, 11413 and 32121, that added together give a palindrome (43534).

The spelling of 1141332121 in words is "one billion, one hundred forty-one million, three hundred thirty-two thousand, one hundred twenty-one".