1021325042 has 16 divisors (see below), whose sum is σ = 1563292032. Its totient is φ = 500320800.

The previous prime is 1021325009. The next prime is 1021325057. The reversal of 1021325042 is 2405231201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118 + ... + 45209.

It is an arithmetic number, because the mean of its divisors is an integer number (97705752).

Almost surely, 2^1021325042 is an apocalyptic number.

1021325042 is a deficient number, since it is larger than the sum of its proper divisors (541966990).

1021325042 is a wasteful number, since it uses less digits than its factorization.

1021325042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46553.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1021325042 is about 31958.1764498540. The cubic root of 1021325042 is about 1007.0584089767.

Adding to 1021325042 its reverse (2405231201), we get a palindrome (3426556243).

The spelling of 1021325042 in words is "one billion, twenty-one million, three hundred twenty-five thousand, forty-two".