1097719241 has 4 divisors (see below), whose sum is σ = 1100164500. Its totient is φ = 1095273984.

The previous prime is 1097719187. The next prime is 1097719247. The reversal of 1097719241 is 1429177901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1429177901 = 269 ⋅5312929.

It can be written as a sum of positive squares in 2 ways, for example, as 262278025 + 835441216 = 16195^2 + 28904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097719241 - 2³⁰ = 23977417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097719247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221956 + ... + 1222853.

It is an arithmetic number, because the mean of its divisors is an integer number (275041125).

Almost surely, 2^1097719241 is an apocalyptic number.

It is an amenable number.

1097719241 is a deficient number, since it is larger than the sum of its proper divisors (2445259).

1097719241 is an equidigital number, since it uses as much as digits as its factorization.

1097719241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445258.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 1097719241 is about 33131.8463264576. The cubic root of 1097719241 is about 1031.5661726544.

The spelling of 1097719241 in words is "one billion, ninety-seven million, seven hundred nineteen thousand, two hundred forty-one".