1054631481 has 8 divisors (see below), whose sum is σ = 1409848320. Its totient is φ = 701251152.

The previous prime is 1054631453. The next prime is 1054631507. The reversal of 1054631481 is 1841364501.

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

It is not a de Polignac number, because 1054631481 - 2¹⁰ = 1054630457 is a prime.

It is a super-2 number, since 2×1054631481² = 2224495121432506722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054631411) 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, 457786 + ... + 460083.

It is an arithmetic number, because the mean of its divisors is an integer number (176231040).

Almost surely, 2^1054631481 is an apocalyptic number.

It is an amenable number.

1054631481 is a deficient number, since it is larger than the sum of its proper divisors (355216839).

1054631481 is an equidigital number, since it uses as much as digits as its factorization.

1054631481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918255.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1054631481 is about 32475.0901615377. The cubic root of 1054631481 is about 1017.8885841013. Note that the first 3 decimals are identical.

Adding to 1054631481 its reverse (1841364501), we get a palindrome (2895995982).

The spelling of 1054631481 in words is "one billion, fifty-four million, six hundred thirty-one thousand, four hundred eighty-one".