1121607 has 20 divisors (see below), whose sum is σ = 1710456. Its totient is φ = 732240.

The previous prime is 1121599. The next prime is 1121621. The reversal of 1121607 is 7061211.

It is not a de Polignac number, because 1121607 - 2³ = 1121599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121707) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4828 + ... + 5054.

2^1121607 is an apocalyptic number.

1121607 is a deficient number, since it is larger than the sum of its proper divisors (588849).

1121607 is an equidigital number, since it uses as much as digits as its factorization.

1121607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1121607 is about 1059.0594884141. The cubic root of 1121607 is about 103.8995269794.

Adding to 1121607 its reverse (7061211), we get a palindrome (8182818).

It can be divided in two parts, 1121 and 607, that added together give a cube (1728 = 12³).

The spelling of 1121607 in words is "one million, one hundred twenty-one thousand, six hundred seven".