1112610609 has 72 divisors (see below), whose sum is σ = 1852007976. Its totient is φ = 642470400.

The previous prime is 1112610547. The next prime is 1112610623. The reversal of 1112610609 is 9060162111.

It can be written as a sum of positive squares in 4 ways, for example, as 380367009 + 732243600 = 19503^2 + 27060^2 .

It is not a de Polignac number, because 1112610609 - 2⁸ = 1112610353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112610689) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2135269 + ... + 2135789.

It is an arithmetic number, because the mean of its divisors is an integer number (25722333).

Almost surely, 2^1112610609 is an apocalyptic number.

It is an amenable number.

1112610609 is a deficient number, since it is larger than the sum of its proper divisors (739397367).

1112610609 is a wasteful number, since it uses less digits than its factorization.

1112610609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1112610609 is about 33355.8182181160. The cubic root of 1112610609 is about 1036.2098880688.

The spelling of 1112610609 in words is "one billion, one hundred twelve million, six hundred ten thousand, six hundred nine".