1021342141 has 4 divisors (see below), whose sum is σ = 1033647552. Its totient is φ = 1009036732.

The previous prime is 1021342139. The next prime is 1021342183. The reversal of 1021342141 is 1412431201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1021342141 - 2¹ = 1021342139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021342741) 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 3 ways as a sum of consecutive naturals, for example, 6152581 + ... + 6152746.

It is an arithmetic number, because the mean of its divisors is an integer number (258411888).

Almost surely, 2^1021342141 is an apocalyptic number.

It is an amenable number.

1021342141 is a deficient number, since it is larger than the sum of its proper divisors (12305411).

1021342141 is an equidigital number, since it uses as much as digits as its factorization.

1021342141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12305410.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1021342141 is about 31958.4439702561. The cubic root of 1021342141 is about 1007.0640289948.

Adding to 1021342141 its reverse (1412431201), we get a palindrome (2433773342).

The spelling of 1021342141 in words is "one billion, twenty-one million, three hundred forty-two thousand, one hundred forty-one".