1163245730 has 32 divisors (see below), whose sum is σ = 2118509424. Its totient is φ = 459841536.

The previous prime is 1163245693. The next prime is 1163245739. The reversal of 1163245730 is 375423611.

It can be written as a sum of positive squares in 8 ways, for example, as 294705889 + 868539841 = 17167^2 + 29471^2 .

It is not an unprimeable number, because it can be changed into a prime (1163245739) 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, 447314 + ... + 449906.

Almost surely, 2^1163245730 is an apocalyptic number.

1163245730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1163245730 is a deficient number, since it is larger than the sum of its proper divisors (955263694).

1163245730 is a wasteful number, since it uses less digits than its factorization.

1163245730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1163245730 is about 34106.3884045203. The cubic root of 1163245730 is about 1051.6966462583.

The spelling of 1163245730 in words is "one billion, one hundred sixty-three million, two hundred forty-five thousand, seven hundred thirty".