1094242428 has 36 divisors (see below), whose sum is σ = 2767229920. Its totient is φ = 364585536.

The previous prime is 1094242421. The next prime is 1094242447. The reversal of 1094242428 is 8242424901.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1094242392 and 1094242401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094242421) 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 11 ways as a sum of consecutive naturals, for example, 97533 + ... + 108171.

Almost surely, 2^1094242428 is an apocalyptic number.

1094242428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1094242428 is an abundant number, since it is smaller than the sum of its proper divisors (1672987492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1094242428 is a wasteful number, since it uses less digits than its factorization.

1094242428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506 (or 13501 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1094242428 is about 33079.3353621260. The cubic root of 1094242428 is about 1030.4759254694.

The spelling of 1094242428 in words is "one billion, ninety-four million, two hundred forty-two thousand, four hundred twenty-eight".