1139552 has 24 divisors (see below), whose sum is σ = 2268000. Its totient is φ = 563584.

The previous prime is 1139549. The next prime is 1139557. The reversal of 1139552 is 2559311.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4649 + ... + 4887.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2^1139552 is an apocalyptic number.

It is an amenable number.

1139552 is a deficient number, since it is larger than the sum of its proper divisors (1128448).

1139552 is a wasteful number, since it uses less digits than its factorization.

1139552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 390 counting only the distinct ones).

The product of its digits is 1350, while the sum is 26.

The square root of 1139552 is about 1067.4980093658. The cubic root of 1139552 is about 104.4507066647.

The spelling of 1139552 in words is "one million, one hundred thirty-nine thousand, five hundred fifty-two".