1112521993 has 16 divisors (see below), whose sum is σ = 1241142912. Its totient is φ = 988624000.

The previous prime is 1112521987. The next prime is 1112522009. The reversal of 1112521993 is 3991252111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1112521993 - 2⁹ = 1112521481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112521493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160428 + ... + 167218.

It is an arithmetic number, because the mean of its divisors is an integer number (77571432).

Almost surely, 2^1112521993 is an apocalyptic number.

It is an amenable number.

1112521993 is a deficient number, since it is larger than the sum of its proper divisors (128620919).

1112521993 is a wasteful number, since it uses less digits than its factorization.

1112521993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136.

The product of its digits is 4860, while the sum is 34.

The square root of 1112521993 is about 33354.4898476952. The cubic root of 1112521993 is about 1036.1823770322.

The spelling of 1112521993 in words is "one billion, one hundred twelve million, five hundred twenty-one thousand, nine hundred ninety-three".