1101344129 has 2 divisors, whose sum is σ = 1101344130. Its totient is φ = 1101344128.

The previous prime is 1101344089. The next prime is 1101344141. The reversal of 1101344129 is 9214431011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803609104 + 297735025 = 28348^2 + 17255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101344129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101344098 and 1101344107.

It is not a weakly prime, because it can be changed into another prime (1101344159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550672064 + 550672065.

It is an arithmetic number, because the mean of its divisors is an integer number (550672065).

Almost surely, 2^1101344129 is an apocalyptic number.

It is an amenable number.

1101344129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101344129 is an equidigital number, since it uses as much as digits as its factorization.

1101344129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1101344129 is about 33186.5052242625. The cubic root of 1101344129 is about 1032.7004042049.

The spelling of 1101344129 in words is "one billion, one hundred one million, three hundred forty-four thousand, one hundred twenty-nine".