11129530 has 8 divisors (see below), whose sum is σ = 20033172. Its totient is φ = 4451808.

The previous prime is 11129519. The next prime is 11129537. The reversal of 11129530 is 3592111.

It can be written as a sum of positive squares in 2 ways, for example, as 11029041 + 100489 = 3321^2 + 317^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11129537) 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, 556467 + ... + 556486.

Almost surely, 2^11129530 is an apocalyptic number.

11129530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11129530 is a deficient number, since it is larger than the sum of its proper divisors (8903642).

11129530 is a wasteful number, since it uses less digits than its factorization.

11129530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112960.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 11129530 is about 3336.0950226275. The cubic root of 11129530 is about 223.2675507354.

The spelling of 11129530 in words is "eleven million, one hundred twenty-nine thousand, five hundred thirty".