1099825141 has 2 divisors, whose sum is σ = 1099825142. Its totient is φ = 1099825140.

The previous prime is 1099825117. The next prime is 1099825157. The reversal of 1099825141 is 1415289901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837870916 + 261954225 = 28946^2 + 16185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1099825141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1099825094 and 1099825103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099825171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549912570 + 549912571.

It is an arithmetic number, because the mean of its divisors is an integer number (549912571).

Almost surely, 2^1099825141 is an apocalyptic number.

It is an amenable number.

1099825141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099825141 is an equidigital number, since it uses as much as digits as its factorization.

1099825141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 1099825141 is about 33163.6117001752. The cubic root of 1099825141 is about 1032.2254145370.

The spelling of 1099825141 in words is "one billion, ninety-nine million, eight hundred twenty-five thousand, one hundred forty-one".