1054789120 has 160 divisors (see below), whose sum is σ = 3153655296. Its totient is φ = 328704000.

The previous prime is 1054789091. The next prime is 1054789139. The reversal of 1054789120 is 219874501.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×1054789120² = 2225160175340748800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054789120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194445 + ... + 199795.

Almost surely, 2^1054789120 is an apocalyptic number.

1054789120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1054789120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576827648).

1054789120 is an abundant number, since it is smaller than the sum of its proper divisors (2098866176).

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

1054789120 is an equidigital number, since it uses as much as digits as its factorization.

1054789120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392 (or 5376 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1054789120 is about 32477.5171464815. The cubic root of 1054789120 is about 1017.9392972168.

The spelling of 1054789120 in words is "one billion, fifty-four million, seven hundred eighty-nine thousand, one hundred twenty".