1203173051 has 2 divisors, whose sum is σ = 1203173052. Its totient is φ = 1203173050.

The previous prime is 1203173039. The next prime is 1203173053. The reversal of 1203173051 is 1503713021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203173051 - 2¹⁴ = 1203156667 is a prime.

Together with 1203173053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1203173053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601586525 + 601586526.

It is an arithmetic number, because the mean of its divisors is an integer number (601586526).

Almost surely, 2^1203173051 is an apocalyptic number.

1203173051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203173051 is an equidigital number, since it uses as much as digits as its factorization.

1203173051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1203173051 is about 34686.7849619996. The cubic root of 1203173051 is about 1063.5943753541.

Adding to 1203173051 its reverse (1503713021), we get a palindrome (2706886072).

The spelling of 1203173051 in words is "one billion, two hundred three million, one hundred seventy-three thousand, fifty-one".