1140055 has 8 divisors (see below), whose sum is σ = 1563552. Its totient is φ = 781728.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140055 is 5500411.

It is a happy number.

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 1140055 - 2¹³ = 1131863 is a prime.

It is a super-3 number, since 3×1140055³ = 4445275333036999125, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16252 + ... + 16321.

It is an arithmetic number, because the mean of its divisors is an integer number (195444).

2^1140055 is an apocalyptic number.

1140055 is a deficient number, since it is larger than the sum of its proper divisors (423497).

1140055 is an equidigital number, since it uses as much as digits as its factorization.

1140055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32585.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1140055 is about 1067.7335810023. The cubic root of 1140055 is about 104.4660726381.

Adding to 1140055 its reverse (5500411), we get a palindrome (6640466).

It can be divided in two parts, 114005 and 5, that multiplied together give a square (570025 = 755²).

The spelling of 1140055 in words is "one million, one hundred forty thousand, fifty-five".