1047345 has 32 divisors (see below), whose sum is σ = 1862784. Its totient is φ = 499200.

The previous prime is 1047341. The next prime is 1047367. The reversal of 1047345 is 5437401.

It is not a de Polignac number, because 1047345 - 2² = 1047341 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1047341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7930 + ... + 8060.

It is an arithmetic number, because the mean of its divisors is an integer number (58212).

2^1047345 is an apocalyptic number.

1047345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047345 is a deficient number, since it is larger than the sum of its proper divisors (815439).

1047345 is a wasteful number, since it uses less digits than its factorization.

1047345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193.

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

The square root of 1047345 is about 1023.3987492664. The cubic root of 1047345 is about 101.5538956813.

The spelling of 1047345 in words is "one million, forty-seven thousand, three hundred forty-five".