1203134197 has 2 divisors, whose sum is σ = 1203134198. Its totient is φ = 1203134196.

The previous prime is 1203134189. The next prime is 1203134203. The reversal of 1203134197 is 7914313021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781817521 + 421316676 = 27961^2 + 20526^2 .

It is an emirp because it is prime and its reverse (7914313021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203134197 - 2³ = 1203134189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203134167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601567098 + 601567099.

It is an arithmetic number, because the mean of its divisors is an integer number (601567099).

Almost surely, 2^1203134197 is an apocalyptic number.

It is an amenable number.

1203134197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203134197 is an equidigital number, since it uses as much as digits as its factorization.

1203134197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1203134197 is about 34686.2248882752. The cubic root of 1203134197 is about 1063.5829263663.

The spelling of 1203134197 in words is "one billion, two hundred three million, one hundred thirty-four thousand, one hundred ninety-seven".