1124212109 has 2 divisors, whose sum is σ = 1124212110. Its totient is φ = 1124212108.

The previous prime is 1124212079. The next prime is 1124212163. The reversal of 1124212109 is 9012124211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577681225 + 546530884 = 24035^2 + 23378^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124212109 - 2¹² = 1124208013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124212409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562106054 + 562106055.

It is an arithmetic number, because the mean of its divisors is an integer number (562106055).

Almost surely, 2^1124212109 is an apocalyptic number.

It is an amenable number.

1124212109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124212109 is an equidigital number, since it uses as much as digits as its factorization.

1124212109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1124212109 is about 33529.2724197827. The cubic root of 1124212109 is about 1039.7990578863.

The spelling of 1124212109 in words is "one billion, one hundred twenty-four million, two hundred twelve thousand, one hundred nine".