1139069 has 4 divisors (see below), whose sum is σ = 1199040. Its totient is φ = 1079100.

The previous prime is 1139059. The next prime is 1139081. The reversal of 1139069 is 9609311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139069 is a prime.

It is a super-2 number, since 2×1139069² = 2594956373522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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 (1139059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29957 + ... + 29994.

It is an arithmetic number, because the mean of its divisors is an integer number (299760).

2^1139069 is an apocalyptic number.

1139069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1139069 is a deficient number, since it is larger than the sum of its proper divisors (59971).

1139069 is an equidigital number, since it uses as much as digits as its factorization.

1139069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59970.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1139069 is about 1067.2717554587. The cubic root of 1139069 is about 104.4359474083.

The spelling of 1139069 in words is "one million, one hundred thirty-nine thousand, sixty-nine".