1102205129 has 2 divisors, whose sum is σ = 1102205130. Its totient is φ = 1102205128.

The previous prime is 1102205123. The next prime is 1102205171. The reversal of 1102205129 is 9215022011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929335225 + 172869904 = 30485^2 + 13148^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102205129 - 2⁴ = 1102205113 is a prime.

It is a super-2 number, since 2×1102205129² = 2429712292787813282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1102205123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551102564 + 551102565.

It is an arithmetic number, because the mean of its divisors is an integer number (551102565).

Almost surely, 2^1102205129 is an apocalyptic number.

It is an amenable number.

1102205129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102205129 is an equidigital number, since it uses as much as digits as its factorization.

1102205129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1102205129 is about 33199.4748301837. The cubic root of 1102205129 is about 1032.9694461933.

The spelling of 1102205129 in words is "one billion, one hundred two million, two hundred five thousand, one hundred twenty-nine".