1042427947 has 24 divisors (see below), whose sum is σ = 1216630800. Its totient is φ = 889405440.

The previous prime is 1042427909. The next prime is 1042427977. The reversal of 1042427947 is 7497242401.

It is a happy number.

It is not a de Polignac number, because 1042427947 - 2⁷ = 1042427819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042427977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1355179 + ... + 1355947.

It is an arithmetic number, because the mean of its divisors is an integer number (50692950).

Almost surely, 2^1042427947 is an apocalyptic number.

1042427947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1042427947 is a deficient number, since it is larger than the sum of its proper divisors (174202853).

1042427947 is a wasteful number, since it uses less digits than its factorization.

1042427947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1042427947 is about 32286.6527685977. The cubic root of 1042427947 is about 1013.9472197019.

The spelling of 1042427947 in words is "one billion, forty-two million, four hundred twenty-seven thousand, nine hundred forty-seven".