1203147481 has 2 divisors, whose sum is σ = 1203147482. Its totient is φ = 1203147480.

The previous prime is 1203147437. The next prime is 1203147497. The reversal of 1203147481 is 1847413021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092897481 + 110250000 = 33059^2 + 10500^2 .

It is an emirp because it is prime and its reverse (1847413021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203147481 is a prime.

It is a super-2 number, since 2×1203147481² = 2895127722073290722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1203148481) 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 as a sum of consecutive naturals, namely, 601573740 + 601573741.

It is an arithmetic number, because the mean of its divisors is an integer number (601573741).

Almost surely, 2^1203147481 is an apocalyptic number.

It is an amenable number.

1203147481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203147481 is an equidigital number, since it uses as much as digits as its factorization.

1203147481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1203147481 is about 34686.4163758668. The cubic root of 1203147481 is about 1063.5868407492.

The spelling of 1203147481 in words is "one billion, two hundred three million, one hundred forty-seven thousand, four hundred eighty-one".