1140469 has 8 divisors (see below), whose sum is σ = 1252800. Its totient is φ = 1029600.

The previous prime is 1140463. The next prime is 1140487. The reversal of 1140469 is 9640411.

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

It is not a de Polignac number, because 1140469 - 2⁷ = 1140341 is a prime.

It is a super-2 number, since 2×1140469² = 2601339079922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140463) 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, 1929 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (156600).

2^1140469 is an apocalyptic number.

It is an amenable number.

1140469 is a deficient number, since it is larger than the sum of its proper divisors (112331).

1140469 is a wasteful number, since it uses less digits than its factorization.

1140469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1140469 is about 1067.9274319915. The cubic root of 1140469 is about 104.4787163907.

The spelling of 1140469 in words is "one million, one hundred forty thousand, four hundred sixty-nine".