1139126 has 16 divisors (see below), whose sum is σ = 1858560. Its totient is φ = 521640.

The previous prime is 1139123. The next prime is 1139141. The reversal of 1139126 is 6219311.

It is a happy number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (116160).

2^1139126 is an apocalyptic number.

1139126 is a deficient number, since it is larger than the sum of its proper divisors (719434).

1139126 is a wasteful number, since it uses less digits than its factorization.

1139126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019.

The product of its digits is 324, while the sum is 23.

The square root of 1139126 is about 1067.2984587265. The cubic root of 1139126 is about 104.4376894010.

The spelling of 1139126 in words is "one million, one hundred thirty-nine thousand, one hundred twenty-six".