1139267 has 8 divisors (see below), whose sum is σ = 1200192. Its totient is φ = 1080000.

The previous prime is 1139263. The next prime is 1139269. The reversal of 1139267 is 7629311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1139267 - 2² = 1139263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139263) 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, 1142 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (150024).

2^1139267 is an apocalyptic number.

1139267 is a deficient number, since it is larger than the sum of its proper divisors (60925).

1139267 is an equidigital number, since it uses as much as digits as its factorization.

1139267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 2268, while the sum is 29.

The square root of 1139267 is about 1067.3645113081. The cubic root of 1139267 is about 104.4419982912.

The spelling of 1139267 in words is "one million, one hundred thirty-nine thousand, two hundred sixty-seven".