1021343042 has 32 divisors (see below), whose sum is σ = 1611919872. Its totient is φ = 484856064.

The previous prime is 1021343021. The next prime is 1021343093. The reversal of 1021343042 is 2403431201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559343 + ... + 561165.

It is an arithmetic number, because the mean of its divisors is an integer number (50372496).

Almost surely, 2^1021343042 is an apocalyptic number.

1021343042 is a deficient number, since it is larger than the sum of its proper divisors (590576830).

1021343042 is a wasteful number, since it uses less digits than its factorization.

1021343042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1021343042 is about 31958.4580666840. The cubic root of 1021343042 is about 1007.0643251295.

Adding to 1021343042 its reverse (2403431201), we get a palindrome (3424774243).

The spelling of 1021343042 in words is "one billion, twenty-one million, three hundred forty-three thousand, forty-two".