1045117320 has 64 divisors (see below), whose sum is σ = 3376537920. Its totient is φ = 257259264.

The previous prime is 1045117289. The next prime is 1045117321. The reversal of 1045117320 is 237115401.

1045117320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1045117321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333414 + ... + 336533.

It is an arithmetic number, because the mean of its divisors is an integer number (52758405).

Almost surely, 2^1045117320 is an apocalyptic number.

1045117320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045117320 is an abundant number, since it is smaller than the sum of its proper divisors (2331420600).

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

1045117320 is a wasteful number, since it uses less digits than its factorization.

1045117320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669974 (or 669970 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1045117320 is about 32328.2743121250. The cubic root of 1045117320 is about 1014.8184359812.

The spelling of 1045117320 in words is "one billion, forty-five million, one hundred seventeen thousand, three hundred twenty".