1047173430 has 16 divisors (see below), whose sum is σ = 2513216304. Its totient is φ = 279246240.

The previous prime is 1047173423. The next prime is 1047173437. The reversal of 1047173430 is 343717401.

It is an interprime number because it is at equal distance from previous prime (1047173423) and next prime (1047173437).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 34905781 = 1047173430 / (1 + 0 + 4 + 7 + 1 + 7 + 3 + 4 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047173437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17452861 + ... + 17452920.

It is an arithmetic number, because the mean of its divisors is an integer number (157076019).

Almost surely, 2^1047173430 is an apocalyptic number.

1047173430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1047173430 is an abundant number, since it is smaller than the sum of its proper divisors (1466042874).

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

1047173430 is a wasteful number, since it uses less digits than its factorization.

1047173430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34905791.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1047173430 is about 32360.0591779434. The cubic root of 1047173430 is about 1015.4835005456.

The spelling of 1047173430 in words is "one billion, forty-seven million, one hundred seventy-three thousand, four hundred thirty".