1139492 has 12 divisors (see below), whose sum is σ = 2012556. Its totient is φ = 564480.

The previous prime is 1139491. The next prime is 1139503. The reversal of 1139492 is 2949311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7396 + 1132096 = 86^2 + 1064^2 .

It is not an unprimeable number, because it can be changed into a prime (1139491) 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, 809 + ... + 1712.

It is an arithmetic number, because the mean of its divisors is an integer number (167713).

2^1139492 is an apocalyptic number.

It is an amenable number.

1139492 is a deficient number, since it is larger than the sum of its proper divisors (873064).

1139492 is a wasteful number, since it uses less digits than its factorization.

1139492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638 (or 2636 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 1139492 is about 1067.4699058990. The cubic root of 1139492 is about 104.4488734436.

The spelling of 1139492 in words is "one million, one hundred thirty-nine thousand, four hundred ninety-two".