1140412985 has 8 divisors (see below), whose sum is σ = 1371454080. Its totient is φ = 910358064.

The previous prime is 1140412969. The next prime is 1140412993. The reversal of 1140412985 is 5892140411.

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 1140412985 - 2⁴ = 1140412969 is a prime.

It is a super-2 number, since 2×1140412985² = 2601083552713220450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243995 + ... + 248624.

It is an arithmetic number, because the mean of its divisors is an integer number (171431760).

Almost surely, 2^1140412985 is an apocalyptic number.

It is an amenable number.

1140412985 is a deficient number, since it is larger than the sum of its proper divisors (231041095).

1140412985 is an equidigital number, since it uses as much as digits as its factorization.

1140412985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493087.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1140412985 is about 33770.0012585135. The cubic root of 1140412985 is about 1044.7700584556.

It can be divided in two parts, 11404 and 12985, that added together give a cube (24389 = 29³).

The spelling of 1140412985 in words is "one billion, one hundred forty million, four hundred twelve thousand, nine hundred eighty-five".