1042332647 has 4 divisors (see below), whose sum is σ = 1097192280. Its totient is φ = 987473016.

The previous prime is 1042332581. The next prime is 1042332673. The reversal of 1042332647 is 7462332401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1042332647 - 2¹⁰ = 1042331623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042322647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27429788 + ... + 27429825.

It is an arithmetic number, because the mean of its divisors is an integer number (274298070).

Almost surely, 2^1042332647 is an apocalyptic number.

1042332647 is a deficient number, since it is larger than the sum of its proper divisors (54859633).

1042332647 is an equidigital number, since it uses as much as digits as its factorization.

1042332647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54859632.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 1042332647 is about 32285.1768928095. The cubic root of 1042332647 is about 1013.9163200076.

The spelling of 1042332647 in words is "one billion, forty-two million, three hundred thirty-two thousand, six hundred forty-seven".