1140247005 has 32 divisors (see below), whose sum is σ = 1841564160. Its totient is φ = 602437440.

The previous prime is 1140246997. The next prime is 1140247013. The reversal of 1140247005 is 5007420411.

It is an interprime number because it is at equal distance from previous prime (1140246997) and next prime (1140247013).

It is not a de Polignac number, because 1140247005 - 2³ = 1140246997 is a prime.

It is a super-2 number, since 2×1140247005² = 2600326464822940050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888094 + ... + 889376.

It is an arithmetic number, because the mean of its divisors is an integer number (57548880).

Almost surely, 2^1140247005 is an apocalyptic number.

1140247005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1140247005 is a deficient number, since it is larger than the sum of its proper divisors (701317155).

1140247005 is a wasteful number, since it uses less digits than its factorization.

1140247005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1140247005 is about 33767.5436625171. The cubic root of 1140247005 is about 1044.7193694069.

Adding to 1140247005 its reverse (5007420411), we get a palindrome (6147667416).

The spelling of 1140247005 in words is "one billion, one hundred forty million, two hundred forty-seven thousand, five".