1201324997 has 2 divisors, whose sum is σ = 1201324998. Its totient is φ = 1201324996.

The previous prime is 1201324981. The next prime is 1201325053. The reversal of 1201324997 is 7994231021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951969316 + 249355681 = 30854^2 + 15791^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201324997 - 2⁴ = 1201324981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201324997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201324697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600662498 + 600662499.

It is an arithmetic number, because the mean of its divisors is an integer number (600662499).

Almost surely, 2^1201324997 is an apocalyptic number.

It is an amenable number.

1201324997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201324997 is an equidigital number, since it uses as much as digits as its factorization.

1201324997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1201324997 is about 34660.1355594579. The cubic root of 1201324997 is about 1063.0495418231.

The spelling of 1201324997 in words is "one billion, two hundred one million, three hundred twenty-four thousand, nine hundred ninety-seven".