11128954 has 4 divisors (see below), whose sum is σ = 16693434. Its totient is φ = 5564476.

The previous prime is 11128951. The next prime is 11128973. The reversal of 11128954 is 45982111.

It is a happy number.

11128954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11068929 + 60025 = 3327^2 + 245^2 .

It is not an unprimeable number, because it can be changed into a prime (11128951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782237 + ... + 2782240.

Almost surely, 2^11128954 is an apocalyptic number.

11128954 is a deficient number, since it is larger than the sum of its proper divisors (5564480).

11128954 is an equidigital number, since it uses as much as digits as its factorization.

11128954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564479.

The product of its digits is 2880, while the sum is 31.

The square root of 11128954 is about 3336.0086930342. The cubic root of 11128954 is about 223.2636989906.

The spelling of 11128954 in words is "eleven million, one hundred twenty-eight thousand, nine hundred fifty-four".