1054631163 has 8 divisors (see below), whose sum is σ = 1406534976. Its totient is φ = 702907400.

The previous prime is 1054631141. The next prime is 1054631177. The reversal of 1054631163 is 3611364501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1054631163 - 2⁶ = 1054631099 is a prime.

It is a super-3 number, since 3×1054631163³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1054631163.

It is not an unprimeable number, because it can be changed into a prime (1054631113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30693 + ... + 55238.

It is an arithmetic number, because the mean of its divisors is an integer number (175816872).

Almost surely, 2^1054631163 is an apocalyptic number.

1054631163 is a deficient number, since it is larger than the sum of its proper divisors (351903813).

1054631163 is an equidigital number, since it uses as much as digits as its factorization.

1054631163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90025.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1054631163 is about 32475.0852654770. The cubic root of 1054631163 is about 1017.8884817943. Note that the first 3 decimals are identical.

Adding to 1054631163 its reverse (3611364501), we get a palindrome (4665995664).

The spelling of 1054631163 in words is "one billion, fifty-four million, six hundred thirty-one thousand, one hundred sixty-three".