11125947 has 8 divisors (see below), whose sum is σ = 16953856. Its totient is φ = 6357672.

The previous prime is 11125943. The next prime is 11125991. The reversal of 11125947 is 74952111.

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

It is not a de Polignac number, because 11125947 - 2² = 11125943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125943) 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 7 ways as a sum of consecutive naturals, for example, 264883 + ... + 264924.

It is an arithmetic number, because the mean of its divisors is an integer number (2119232).

Almost surely, 2^11125947 is an apocalyptic number.

11125947 is a deficient number, since it is larger than the sum of its proper divisors (5827909).

11125947 is an equidigital number, since it uses as much as digits as its factorization.

11125947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529817.

The product of its digits is 2520, while the sum is 30.

The square root of 11125947 is about 3335.5579743125. The cubic root of 11125947 is about 223.2435888521.

The spelling of 11125947 in words is "eleven million, one hundred twenty-five thousand, nine hundred forty-seven".