1130120325 has 72 divisors (see below), whose sum is σ = 2085757128. Its totient is φ = 584663040.

The previous prime is 1130120317. The next prime is 1130120353. The reversal of 1130120325 is 5230210311.

It can be written as a sum of positive squares in 12 ways, for example, as 36759969 + 1093360356 = 6063^2 + 33066^2 .

It is not a de Polignac number, because 1130120325 - 2³ = 1130120317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130120298 and 1130120307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1156237 + ... + 1157213.

It is an arithmetic number, because the mean of its divisors is an integer number (28968849).

Almost surely, 2^1130120325 is an apocalyptic number.

1130120325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1130120325 is a deficient number, since it is larger than the sum of its proper divisors (955636803).

1130120325 is a wasteful number, since it uses less digits than its factorization.

1130120325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1130120325 is about 33617.2623067376. The cubic root of 1130120325 is about 1041.6174059549.

Adding to 1130120325 its reverse (5230210311), we get a palindrome (6360330636).

It can be divided in two parts, 11301 and 20325, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 1130120325 in words is "one billion, one hundred thirty million, one hundred twenty thousand, three hundred twenty-five".