1138552 has 8 divisors (see below), whose sum is σ = 2134800. Its totient is φ = 569272.

The previous prime is 1138547. The next prime is 1138559. The reversal of 1138552 is 2558311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71152 + ... + 71167.

It is an arithmetic number, because the mean of its divisors is an integer number (266850).

2^1138552 is an apocalyptic number.

It is an amenable number.

1138552 is a deficient number, since it is larger than the sum of its proper divisors (996248).

1138552 is a wasteful number, since it uses less digits than its factorization.

1138552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142325 (or 142321 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1138552 is about 1067.0295216160. The cubic root of 1138552 is about 104.4201445741.

The spelling of 1138552 in words is "one million, one hundred thirty-eight thousand, five hundred fifty-two".