1124021641 has 2 divisors, whose sum is σ = 1124021642. Its totient is φ = 1124021640.

The previous prime is 1124021629. The next prime is 1124021671. The reversal of 1124021641 is 1461204211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 740057616 + 383964025 = 27204^2 + 19595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124021641 - 2²³ = 1115633033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1124021671) 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 as a sum of consecutive naturals, namely, 562010820 + 562010821.

It is an arithmetic number, because the mean of its divisors is an integer number (562010821).

Almost surely, 2^1124021641 is an apocalyptic number.

It is an amenable number.

1124021641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124021641 is an equidigital number, since it uses as much as digits as its factorization.

1124021641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1124021641 is about 33526.4319753832. The cubic root of 1124021641 is about 1039.7403324225.

Adding to 1124021641 its reverse (1461204211), we get a palindrome (2585225852).

The spelling of 1124021641 in words is "one billion, one hundred twenty-four million, twenty-one thousand, six hundred forty-one".