1124375621 has 2 divisors, whose sum is σ = 1124375622. Its totient is φ = 1124375620.

The previous prime is 1124375569. The next prime is 1124375627. The reversal of 1124375621 is 1265734211.

1124375621 = 23710² + 23711².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562211521 + 562164100 = 23711^2 + 23710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124375621 - 2¹⁴ = 1124359237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124375627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562187810 + 562187811.

It is an arithmetic number, because the mean of its divisors is an integer number (562187811).

Almost surely, 2^1124375621 is an apocalyptic number.

1124375621 is the 23711-st centered square number.

It is an amenable number.

1124375621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124375621 is an equidigital number, since it uses as much as digits as its factorization.

1124375621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 1124375621 is about 33531.7106781029. The cubic root of 1124375621 is about 1039.8494669328.

The spelling of 1124375621 in words is "one billion, one hundred twenty-four million, three hundred seventy-five thousand, six hundred twenty-one".