1042734378 has 16 divisors (see below), whose sum is σ = 2383392960. Its totient is φ = 297924096.

The previous prime is 1042734377. The next prime is 1042734379. The reversal of 1042734378 is 8734372401.

It is an interprime number because it is at equal distance from previous prime (1042734377) and next prime (1042734379).

It is not an unprimeable number, because it can be changed into a prime (1042734377) 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, 12413463 + ... + 12413546.

It is an arithmetic number, because the mean of its divisors is an integer number (148962060).

Almost surely, 2^1042734378 is an apocalyptic number.

1042734378 is an abundant number, since it is smaller than the sum of its proper divisors (1340658582).

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

1042734378 is a wasteful number, since it uses less digits than its factorization.

1042734378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24827021.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 1042734378 is about 32291.3978947954. The cubic root of 1042734378 is about 1014.0465629136.

The spelling of 1042734378 in words is "one billion, forty-two million, seven hundred thirty-four thousand, three hundred seventy-eight".