1180265530 has 32 divisors (see below), whose sum is σ = 2159136000. Its totient is φ = 464448192.

The previous prime is 1180265521. The next prime is 1180265543. The reversal of 1180265530 is 355620811.

It is a junction number, because it is equal to n+sod(n) for n = 1180265492 and 1180265501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228921 + ... + 234019.

It is an arithmetic number, because the mean of its divisors is an integer number (67473000).

Almost surely, 2^1180265530 is an apocalyptic number.

1180265530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1180265530 is a deficient number, since it is larger than the sum of its proper divisors (978870470).

1180265530 is a wasteful number, since it uses less digits than its factorization.

1180265530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1180265530 is about 34354.9927958077. The cubic root of 1180265530 is about 1056.8010624047.

The spelling of 1180265530 in words is "one billion, one hundred eighty million, two hundred sixty-five thousand, five hundred thirty".