1105265129 has 2 divisors, whose sum is σ = 1105265130. Its totient is φ = 1105265128.

The previous prime is 1105265111. The next prime is 1105265137. The reversal of 1105265129 is 9215625011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984265129 + 121000000 = 31373^2 + 11000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105265129 is a prime.

It is a super-2 number, since 2×1105265129² = 2443222010766773282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105265095 and 1105265104.

It is not a weakly prime, because it can be changed into another prime (1105265159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552632564 + 552632565.

It is an arithmetic number, because the mean of its divisors is an integer number (552632565).

Almost surely, 2^1105265129 is an apocalyptic number.

It is an amenable number.

1105265129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105265129 is an equidigital number, since it uses as much as digits as its factorization.

1105265129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1105265129 is about 33245.5279548994. The cubic root of 1105265129 is about 1033.9244910048.

The spelling of 1105265129 in words is "one billion, one hundred five million, two hundred sixty-five thousand, one hundred twenty-nine".