1112400036 has 36 divisors (see below), whose sum is σ = 3067528464. Its totient is φ = 337090800.

The previous prime is 1112400019. The next prime is 1112400059. The reversal of 1112400036 is 6300042111.

It is a happy number.

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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112399991 and 1112400018.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1404150 + ... + 1404941.

It is an arithmetic number, because the mean of its divisors is an integer number (85209124).

Almost surely, 2^1112400036 is an apocalyptic number.

It is an amenable number.

1112400036 is an abundant number, since it is smaller than the sum of its proper divisors (1955128428).

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

1112400036 is a wasteful number, since it uses less digits than its factorization.

1112400036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809112 (or 2809107 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1112400036 is about 33352.6616029366. The cubic root of 1112400036 is about 1036.1445128183.

Adding to 1112400036 its reverse (6300042111), we get a palindrome (7412442147).

The spelling of 1112400036 in words is "one billion, one hundred twelve million, four hundred thousand, thirty-six".