1071054493 has 4 divisors (see below), whose sum is σ = 1083958848. Its totient is φ = 1058150140.

The previous prime is 1071054487. The next prime is 1071054497. The reversal of 1071054493 is 3944501701.

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.

It is a cyclic number.

It is not a de Polignac number, because 1071054493 - 2⁹ = 1071053981 is a prime.

It is a super-2 number, since 2×1071054493² = 2294315453950974098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071054497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6452053 + ... + 6452218.

It is an arithmetic number, because the mean of its divisors is an integer number (270989712).

Almost surely, 2^1071054493 is an apocalyptic number.

It is an amenable number.

1071054493 is a deficient number, since it is larger than the sum of its proper divisors (12904355).

1071054493 is an equidigital number, since it uses as much as digits as its factorization.

1071054493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904354.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1071054493 is about 32726.9688941704. The cubic root of 1071054493 is about 1023.1450068003.

The spelling of 1071054493 in words is "one billion, seventy-one million, fifty-four thousand, four hundred ninety-three".