1022141257 has 2 divisors, whose sum is σ = 1022141258. Its totient is φ = 1022141256.

The previous prime is 1022141227. The next prime is 1022141273. The reversal of 1022141257 is 7521412201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 767068416 + 255072841 = 27696^2 + 15971^2 .

It is an emirp because it is prime and its reverse (7521412201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022141257 - 2⁷ = 1022141129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022141227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511070628 + 511070629.

It is an arithmetic number, because the mean of its divisors is an integer number (511070629).

Almost surely, 2^1022141257 is an apocalyptic number.

It is an amenable number.

1022141257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022141257 is an equidigital number, since it uses as much as digits as its factorization.

1022141257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1022141257 is about 31970.9439491548. The cubic root of 1022141257 is about 1007.3266087093.

Adding to 1022141257 its reverse (7521412201), we get a palindrome (8543553458).

The spelling of 1022141257 in words is "one billion, twenty-two million, one hundred forty-one thousand, two hundred fifty-seven".