1140658 has 4 divisors (see below), whose sum is σ = 1710990. Its totient is φ = 570328.

The previous prime is 1140637. The next prime is 1140677. The reversal of 1140658 is 8560411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1117249 + 23409 = 1057^2 + 153^2 .

It is a super-2 number, since 2×1140658² = 2602201345928, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 285163 + ... + 285166.

2^1140658 is an apocalyptic number.

1140658 is a deficient number, since it is larger than the sum of its proper divisors (570332).

1140658 is an equidigital number, since it uses as much as digits as its factorization.

1140658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570331.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1140658 is about 1068.0159174844. The cubic root of 1140658 is about 104.4844875213.

The spelling of 1140658 in words is "one million, one hundred forty thousand, six hundred fifty-eight".