1140679 has 2 divisors, whose sum is σ = 1140680. Its totient is φ = 1140678.

The previous prime is 1140677. The next prime is 1140691. The reversal of 1140679 is 9760411.

It is a weak prime.

It is an emirp because it is prime and its reverse (9760411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140679 - 2¹ = 1140677 is a prime.

It is a super-2 number, since 2×1140679² = 2602297162082, which contains 22 as substring.

Together with 1140677, it forms a pair of twin primes.

1140679 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570339 + 570340.

It is an arithmetic number, because the mean of its divisors is an integer number (570340).

2^1140679 is an apocalyptic number.

1140679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140679 is an equidigital number, since it uses as much as digits as its factorization.

1140679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1140679 is about 1068.0257487533. The cubic root of 1140679 is about 104.4851287187.

The spelling of 1140679 in words is "one million, one hundred forty thousand, six hundred seventy-nine".