1112028621 has 16 divisors (see below), whose sum is σ = 1669675008. Its totient is φ = 652215600.

The previous prime is 1112028613. The next prime is 1112028629. The reversal of 1112028621 is 1268202111.

It is an interprime number because it is at equal distance from previous prime (1112028613) and next prime (1112028629).

It is not a de Polignac number, because 1112028621 - 2³ = 1112028613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112028591 and 1112028600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112028629) 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 15 ways as a sum of consecutive naturals, for example, 542491 + ... + 544536.

It is an arithmetic number, because the mean of its divisors is an integer number (104354688).

Almost surely, 2^1112028621 is an apocalyptic number.

1112028621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112028621 is a deficient number, since it is larger than the sum of its proper divisors (557646387).

1112028621 is a wasteful number, since it uses less digits than its factorization.

1112028621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087072.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1112028621 is about 33347.0931416818. The cubic root of 1112028621 is about 1036.0291818701.

The spelling of 1112028621 in words is "one billion, one hundred twelve million, twenty-eight thousand, six hundred twenty-one".