1021286341 has 4 divisors (see below), whose sum is σ = 1021692384. Its totient is φ = 1020880300.

The previous prime is 1021286317. The next prime is 1021286363. The reversal of 1021286341 is 1436821201.

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 1021286341 - 2¹⁵ = 1021253573 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 (1021286381) 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, 199225 + ... + 204286.

It is an arithmetic number, because the mean of its divisors is an integer number (255423096).

Almost surely, 2^1021286341 is an apocalyptic number.

It is an amenable number.

1021286341 is a deficient number, since it is larger than the sum of its proper divisors (406043).

1021286341 is an equidigital number, since it uses as much as digits as its factorization.

1021286341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406042.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1021286341 is about 31957.5709496201. The cubic root of 1021286341 is about 1007.0456886842.

The spelling of 1021286341 in words is "one billion, twenty-one million, two hundred eighty-six thousand, three hundred forty-one".