1045112320 has 80 divisors (see below), whose sum is σ = 2863843488. Its totient is φ = 358318080.

The previous prime is 1045112317. The next prime is 1045112333. The reversal of 1045112320 is 232115401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1045112320² = 2184519522831564800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11241 + ... + 47080.

Almost surely, 2^1045112320 is an apocalyptic number.

1045112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045112320 is an abundant number, since it is smaller than the sum of its proper divisors (1818731168).

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

1045112320 is an frugal number, since it uses more digits than its factorization.

1045112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58351 (or 58335 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1045112320 is about 32328.1969803452. The cubic root of 1045112320 is about 1014.8168176301.

Adding to 1045112320 its reverse (232115401), we get a palindrome (1277227721).

The spelling of 1045112320 in words is "one billion, forty-five million, one hundred twelve thousand, three hundred twenty".