1203151083973 has 2 divisors, whose sum is σ = 1203151083974. Its totient is φ = 1203151083972.

The previous prime is 1203151083971. The next prime is 1203151083983. The reversal of 1203151083973 is 3793801513021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1174845713409 + 28305370564 = 1083903^2 + 168242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203151083973 - 2¹ = 1203151083971 is a prime.

Together with 1203151083971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203151083971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601575541986 + 601575541987.

It is an arithmetic number, because the mean of its divisors is an integer number (601575541987).

Almost surely, 2^{1203151083973} is an apocalyptic number.

It is an amenable number.

1203151083973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203151083973 is an equidigital number, since it uses as much as digits as its factorization.

1203151083973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

Adding to 1203151083973 its reverse (3793801513021), we get a palindrome (4996952596994).

The spelling of 1203151083973 in words is "one trillion, two hundred three billion, one hundred fifty-one million, eighty-three thousand, nine hundred seventy-three".