1112729645 has 16 divisors (see below), whose sum is σ = 1426345200. Its totient is φ = 830398464.

The previous prime is 1112729641. The next prime is 1112729659. The reversal of 1112729645 is 5469272111.

It can be written as a sum of positive squares in 8 ways, for example, as 6901129 + 1105828516 = 2627^2 + 33254^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112729645 - 2² = 1112729641 is a prime.

It is a super-3 number, since 3×1112729645³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112729599 and 1112729608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112729641) 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, 48320 + ... + 67529.

It is an arithmetic number, because the mean of its divisors is an integer number (89146575).

Almost surely, 2^1112729645 is an apocalyptic number.

It is an amenable number.

1112729645 is a deficient number, since it is larger than the sum of its proper divisors (313615555).

1112729645 is a wasteful number, since it uses less digits than its factorization.

1112729645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115984.

The product of its digits is 30240, while the sum is 38.

The square root of 1112729645 is about 33357.6025067750. The cubic root of 1112729645 is about 1036.2468407638.

The spelling of 1112729645 in words is "one billion, one hundred twelve million, seven hundred twenty-nine thousand, six hundred forty-five".