1197278503 has 2 divisors, whose sum is σ = 1197278504. Its totient is φ = 1197278502.

The previous prime is 1197278473. The next prime is 1197278519. The reversal of 1197278503 is 3058727911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1197278503 - 2²⁵ = 1163724071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1197278503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197278603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598639251 + 598639252.

It is an arithmetic number, because the mean of its divisors is an integer number (598639252).

Almost surely, 2^1197278503 is an apocalyptic number.

1197278503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197278503 is an equidigital number, since it uses as much as digits as its factorization.

1197278503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 1197278503 is about 34601.7124287224. The cubic root of 1197278503 is about 1061.8546216402.

The spelling of 1197278503 in words is "one billion, one hundred ninety-seven million, two hundred seventy-eight thousand, five hundred three".