1047345000 has 320 divisors, whose sum is σ = 3637085760. Its totient is φ = 249600000.

The previous prime is 1047344983. The next prime is 1047345001. The reversal of 1047345000 is 5437401.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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 (1047345001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7994935 + ... + 7995065.

It is an arithmetic number, because the mean of its divisors is an integer number (11365893).

Almost surely, 2^1047345000 is an apocalyptic number.

1047345000 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 1047345000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818542880).

1047345000 is an abundant number, since it is smaller than the sum of its proper divisors (2589740760).

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

1047345000 is a wasteful number, since it uses less digits than its factorization.

1047345000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1047345000 is about 32362.7100224935. The cubic root of 1047345000 is about 1015.5389568132.

The spelling of 1047345000 in words is "one billion, forty-seven million, three hundred forty-five thousand".