1147493 has 4 divisors (see below), whose sum is σ = 1197408. Its totient is φ = 1097580.

The previous prime is 1147463. The next prime is 1147499. The reversal of 1147493 is 3947411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3947411 = 13 ⋅303647.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1147493 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24923 + ... + 24968.

It is an arithmetic number, because the mean of its divisors is an integer number (299352).

2^1147493 is an apocalyptic number.

It is an amenable number.

1147493 is a deficient number, since it is larger than the sum of its proper divisors (49915).

1147493 is an equidigital number, since it uses as much as digits as its factorization.

1147493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49914.

The product of its digits is 3024, while the sum is 29.

The square root of 1147493 is about 1071.2109969562. The cubic root of 1147493 is about 104.6927678199.

The spelling of 1147493 in words is "one million, one hundred forty-seven thousand, four hundred ninety-three".