1203191441 has 2 divisors, whose sum is σ = 1203191442. Its totient is φ = 1203191440.

The previous prime is 1203191401. The next prime is 1203191443. The reversal of 1203191441 is 1441913021.

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., 679697041 + 523494400 = 26071^2 + 22880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203191441 is a prime.

It is a Sophie Germain prime.

Together with 1203191443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1203191441.

It is not a weakly prime, because it can be changed into another prime (1203191443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601595720 + 601595721.

It is an arithmetic number, because the mean of its divisors is an integer number (601595721).

Almost surely, 2^1203191441 is an apocalyptic number.

It is an amenable number.

1203191441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203191441 is an equidigital number, since it uses as much as digits as its factorization.

1203191441 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 1203191441 is about 34687.0500475321. The cubic root of 1203191441 is about 1063.5997941925.

The spelling of 1203191441 in words is "one billion, two hundred three million, one hundred ninety-one thousand, four hundred forty-one".