1132121413 has 4 divisors (see below), whose sum is σ = 1137108960. Its totient is φ = 1127133868.

The previous prime is 1132121399. The next prime is 1132121447. The reversal of 1132121413 is 3141212311.

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 1132121413 - 2²⁹ = 595250501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132121813) 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, 2493433 + ... + 2493886.

It is an arithmetic number, because the mean of its divisors is an integer number (284277240).

Almost surely, 2^1132121413 is an apocalyptic number.

It is an amenable number.

1132121413 is a deficient number, since it is larger than the sum of its proper divisors (4987547).

1132121413 is an equidigital number, since it uses as much as digits as its factorization.

1132121413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987546.

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

The square root of 1132121413 is about 33647.0119475712. The cubic root of 1132121413 is about 1042.2318358231.

Adding to 1132121413 its reverse (3141212311), we get a palindrome (4273333724).

The spelling of 1132121413 in words is "one billion, one hundred thirty-two million, one hundred twenty-one thousand, four hundred thirteen".