1140493 has 2 divisors, whose sum is σ = 1140494. Its totient is φ = 1140492.

The previous prime is 1140487. The next prime is 1140533. The reversal of 1140493 is 3940411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108809 + 31684 = 1053^2 + 178^2 .

It is an emirp because it is prime and its reverse (3940411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140493 - 2¹³ = 1132301 is a prime.

1140493 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570246 + 570247.

It is an arithmetic number, because the mean of its divisors is an integer number (570247).

2^1140493 is an apocalyptic number.

It is an amenable number.

1140493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140493 is an equidigital number, since it uses as much as digits as its factorization.

1140493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1140493 is about 1067.9386686510. The cubic root of 1140493 is about 104.4794492680.

It can be divided in two parts, 11 and 40493, that added together give a palindrome (40504).

The spelling of 1140493 in words is "one million, one hundred forty thousand, four hundred ninety-three".