1130121320 has 64 divisors (see below), whose sum is σ = 2577744000. Its totient is φ = 445868800.

The previous prime is 1130121281. The next prime is 1130121323. The reversal of 1130121320 is 231210311.

It is a junction number, because it is equal to n+sod(n) for n = 1130121295 and 1130121304.

It is not an unprimeable number, because it can be changed into a prime (1130121323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886381 + ... + 1886979.

It is an arithmetic number, because the mean of its divisors is an integer number (40277250).

Almost surely, 2^1130121320 is an apocalyptic number.

1130121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130121320 is an abundant number, since it is smaller than the sum of its proper divisors (1447622680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130121320 is a wasteful number, since it uses less digits than its factorization.

1130121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1130121320 is about 33617.2771056789. The cubic root of 1130121320 is about 1041.6177116478.

Adding to 1130121320 its reverse (231210311), we get a palindrome (1361331631).

The spelling of 1130121320 in words is "one billion, one hundred thirty million, one hundred twenty-one thousand, three hundred twenty".