1042943830 has 16 divisors (see below), whose sum is σ = 1898393760. Its totient is φ = 412489792.

The previous prime is 1042943813. The next prime is 1042943831. The reversal of 1042943830 is 383492401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042943831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585034 + ... + 586813.

It is an arithmetic number, because the mean of its divisors is an integer number (118649610).

Almost surely, 2^1042943830 is an apocalyptic number.

1042943830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042943830 is a deficient number, since it is larger than the sum of its proper divisors (855449930).

1042943830 is a wasteful number, since it uses less digits than its factorization.

1042943830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171943.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1042943830 is about 32294.6408866858. The cubic root of 1042943830 is about 1014.1144548797.

The spelling of 1042943830 in words is "one billion, forty-two million, nine hundred forty-three thousand, eight hundred thirty".