1138672 has 10 divisors (see below), whose sum is σ = 2206208. Its totient is φ = 569328.

The previous prime is 1138667. The next prime is 1138673. The reversal of 1138672 is 2768311.

It is a self number, because there is not a number n which added to its sum of digits gives 1138672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35568 + ... + 35599.

2^1138672 is an apocalyptic number.

It is an amenable number.

1138672 is a deficient number, since it is larger than the sum of its proper divisors (1067536).

1138672 is an equidigital number, since it uses as much as digits as its factorization.

1138672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71175 (or 71169 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 1138672 is about 1067.0857510060. The cubic root of 1138672 is about 104.4238129696.

It can be divided in two parts, 11 and 38672, that added together give a palindrome (38683).

The spelling of 1138672 in words is "one million, one hundred thirty-eight thousand, six hundred seventy-two".