1203151513 has 2 divisors, whose sum is σ = 1203151514. Its totient is φ = 1203151512.

The previous prime is 1203151511. The next prime is 1203151517. The reversal of 1203151513 is 3151513021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744634944 + 458516569 = 27288^2 + 21413^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203151513 - 2¹ = 1203151511 is a prime.

Together with 1203151511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1203151511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601575756 + 601575757.

It is an arithmetic number, because the mean of its divisors is an integer number (601575757).

Almost surely, 2^1203151513 is an apocalyptic number.

It is an amenable number.

1203151513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203151513 is an equidigital number, since it uses as much as digits as its factorization.

1203151513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1203151513 is about 34686.4744965527. The cubic root of 1203151513 is about 1063.5880288488.

Adding to 1203151513 its reverse (3151513021), we get a palindrome (4354664534).

The spelling of 1203151513 in words is "one billion, two hundred three million, one hundred fifty-one thousand, five hundred thirteen".