1021243342 has 8 divisors (see below), whose sum is σ = 1750702896. Its totient is φ = 437675712.

The previous prime is 1021243303. The next prime is 1021243343. The reversal of 1021243342 is 2433421201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021243343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36472963 + ... + 36472990.

It is an arithmetic number, because the mean of its divisors is an integer number (218837862).

Almost surely, 2^1021243342 is an apocalyptic number.

1021243342 is a deficient number, since it is larger than the sum of its proper divisors (729459554).

1021243342 is an equidigital number, since it uses as much as digits as its factorization.

1021243342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72945962.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1021243342 is about 31956.8981911574. The cubic root of 1021243342 is about 1007.0315553429.

Adding to 1021243342 its reverse (2433421201), we get a palindrome (3454664543).

The spelling of 1021243342 in words is "one billion, twenty-one million, two hundred forty-three thousand, three hundred forty-two".