1002054451 has 4 divisors (see below), whose sum is σ = 1002308904. Its totient is φ = 1001800000.

The previous prime is 1002054379. The next prime is 1002054457. The reversal of 1002054451 is 1544502001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002054451 - 2²⁹ = 465183539 is a prime.

It is a super-2 number, since 2×1002054451² = 2008226245537822802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002054457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121225 + ... + 129226.

It is an arithmetic number, because the mean of its divisors is an integer number (250577226).

Almost surely, 2^1002054451 is an apocalyptic number.

1002054451 is a deficient number, since it is larger than the sum of its proper divisors (254453).

1002054451 is an equidigital number, since it uses as much as digits as its factorization.

1002054451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254452.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1002054451 is about 31655.2436572521. The cubic root of 1002054451 is about 1000.6843485602.

Adding to 1002054451 its reverse (1544502001), we get a palindrome (2546556452).

The spelling of 1002054451 in words is "one billion, two million, fifty-four thousand, four hundred fifty-one".