1054631328 has 144 divisors (see below), whose sum is σ = 3049109280. Its totient is φ = 318269952.

The previous prime is 1054631327. The next prime is 1054631411. The reversal of 1054631328 is 8231364501.

It is a super-2 number, since 2×1054631328² = 2224494475998087168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054631321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964350 + ... + 965442.

It is an arithmetic number, because the mean of its divisors is an integer number (21174370).

Almost surely, 2^1054631328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1054631328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524554640).

1054631328 is an abundant number, since it is smaller than the sum of its proper divisors (1994477952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054631328 is a wasteful number, since it uses less digits than its factorization.

1054631328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1054631328 is about 32475.0878058859. The cubic root of 1054631328 is about 1017.8885348781. Note that the first 3 decimals are identical.

Adding to 1054631328 its reverse (8231364501), we get a palindrome (9285995829).

The spelling of 1054631328 in words is "one billion, fifty-four million, six hundred thirty-one thousand, three hundred twenty-eight".