1130213121 has 8 divisors (see below), whose sum is σ = 1513204704. Its totient is φ = 750348480.

The previous prime is 1130213107. The next prime is 1130213141. The reversal of 1130213121 is 1213120311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1130213121 - 2¹⁸ = 1129950977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1130213121.

It is not an unprimeable number, because it can be changed into a prime (1130213101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780891 + ... + 782336.

It is an arithmetic number, because the mean of its divisors is an integer number (189150588).

Almost surely, 2^1130213121 is an apocalyptic number.

It is an amenable number.

1130213121 is a deficient number, since it is larger than the sum of its proper divisors (382991583).

1130213121 is a wasteful number, since it uses less digits than its factorization.

1130213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563471.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1130213121 is about 33618.6424621816. The cubic root of 1130213121 is about 1041.6459148022.

Adding to 1130213121 its reverse (1213120311), we get a palindrome (2343333432).

The spelling of 1130213121 in words is "one billion, one hundred thirty million, two hundred thirteen thousand, one hundred twenty-one".