28081126 has 8 divisors (see below), whose sum is σ = 44338680. Its totient is φ = 13301568.

The previous prime is 28081117. The next prime is 28081153. The reversal of 28081126 is 62118082.

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

It is a junction number, because it is equal to n+sod(n) for n = 28081094 and 28081103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369451 + ... + 369526.

It is an arithmetic number, because the mean of its divisors is an integer number (5542335).

Almost surely, 2^28081126 is an apocalyptic number.

28081126 is a deficient number, since it is larger than the sum of its proper divisors (16257554).

28081126 is a wasteful number, since it uses less digits than its factorization.

28081126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738998.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 28081126 is about 5299.1627640600. The cubic root of 28081126 is about 303.9518838321.

It can be divided in two parts, 280 and 81126, that added together give a triangular number (81406 = T₄₀₃).

The spelling of 28081126 in words is "twenty-eight million, eighty-one thousand, one hundred twenty-six".