1159730690 has 8 divisors (see below), whose sum is σ = 2087515260. Its totient is φ = 463892272.

The previous prime is 1159730681. The next prime is 1159730699. The reversal of 1159730690 is 960379511.

It is an interprime number because it is at equal distance from previous prime (1159730681) and next prime (1159730699).

It can be written as a sum of positive squares in 2 ways, for example, as 1088142169 + 71588521 = 32987^2 + 8461^2 .

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

It is a super-2 number, since 2×1159730690² = 2689950546655752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1159730699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57986525 + ... + 57986544.

Almost surely, 2^1159730690 is an apocalyptic number.

1159730690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1159730690 is a deficient number, since it is larger than the sum of its proper divisors (927784570).

1159730690 is a wasteful number, since it uses less digits than its factorization.

1159730690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115973076.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 1159730690 is about 34054.8188954221. The cubic root of 1159730690 is about 1050.6362553459.

The spelling of 1159730690 in words is "one billion, one hundred fifty-nine million, seven hundred thirty thousand, six hundred ninety".