1126020521 has 2 divisors, whose sum is σ = 1126020522. Its totient is φ = 1126020520.

The previous prime is 1126020509. The next prime is 1126020527. The reversal of 1126020521 is 1250206211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1124663296 + 1357225 = 33536^2 + 1165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126020521 is a prime.

It is a super-2 number, since 2×1126020521² = 2535844427426222882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1126020493 and 1126020502.

It is not a weakly prime, because it can be changed into another prime (1126020527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563010260 + 563010261.

It is an arithmetic number, because the mean of its divisors is an integer number (563010261).

Almost surely, 2^1126020521 is an apocalyptic number.

It is an amenable number.

1126020521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126020521 is an equidigital number, since it uses as much as digits as its factorization.

1126020521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1126020521 is about 33556.2292428693. The cubic root of 1126020521 is about 1040.3563008105.

Adding to 1126020521 its reverse (1250206211), we get a palindrome (2376226732).

The spelling of 1126020521 in words is "one billion, one hundred twenty-six million, twenty thousand, five hundred twenty-one".