1074620143 has 4 divisors (see below), whose sum is σ = 1111676040. Its totient is φ = 1037564248.

The previous prime is 1074620093. The next prime is 1074620149. The reversal of 1074620143 is 3410264701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3410264701 = 53 ⋅64344617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1074620143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074620149) 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, 18527905 + ... + 18527962.

It is an arithmetic number, because the mean of its divisors is an integer number (277919010).

Almost surely, 2^1074620143 is an apocalyptic number.

1074620143 is a deficient number, since it is larger than the sum of its proper divisors (37055897).

1074620143 is an equidigital number, since it uses as much as digits as its factorization.

1074620143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37055896.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1074620143 is about 32781.3993447504. The cubic root of 1074620143 is about 1024.2791339941.

Adding to 1074620143 its reverse (3410264701), we get a palindrome (4484884844).

The spelling of 1074620143 in words is "one billion, seventy-four million, six hundred twenty thousand, one hundred forty-three".