1157530130 has 8 divisors (see below), whose sum is σ = 2083554252. Its totient is φ = 463012048.

The previous prime is 1157530117. The next prime is 1157530133. The reversal of 1157530130 is 310357511.

It can be written as a sum of positive squares in 2 ways, for example, as 932019841 + 225510289 = 30529^2 + 15017^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157530130.

It is not an unprimeable number, because it can be changed into a prime (1157530133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57876497 + ... + 57876516.

Almost surely, 2^1157530130 is an apocalyptic number.

1157530130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157530130 is a deficient number, since it is larger than the sum of its proper divisors (926024122).

1157530130 is a wasteful number, since it uses less digits than its factorization.

1157530130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115753020.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 1157530130 is about 34022.4944705705. The cubic root of 1157530130 is about 1049.9713159209.

Adding to 1157530130 its reverse (310357511), we get a palindrome (1467887641).

The spelling of 1157530130 in words is "one billion, one hundred fifty-seven million, five hundred thirty thousand, one hundred thirty".