1101645241 has 2 divisors, whose sum is σ = 1101645242. Its totient is φ = 1101645240.

The previous prime is 1101645221. The next prime is 1101645313. The reversal of 1101645241 is 1425461011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984139641 + 117505600 = 31371^2 + 10840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101645241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101645211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550822620 + 550822621.

It is an arithmetic number, because the mean of its divisors is an integer number (550822621).

Almost surely, 2^1101645241 is an apocalyptic number.

It is an amenable number.

1101645241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101645241 is an equidigital number, since it uses as much as digits as its factorization.

1101645241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1101645241 is about 33191.0415775100. The cubic root of 1101645241 is about 1032.7945104705.

The spelling of 1101645241 in words is "one billion, one hundred one million, six hundred forty-five thousand, two hundred forty-one".