1203670997 has 2 divisors, whose sum is σ = 1203670998. Its totient is φ = 1203670996.

The previous prime is 1203670973. The next prime is 1203671039. The reversal of 1203670997 is 7990763021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611770756 + 591900241 = 24734^2 + 24329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203670997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203670967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601835498 + 601835499.

It is an arithmetic number, because the mean of its divisors is an integer number (601835499).

Almost surely, 2^1203670997 is an apocalyptic number.

It is an amenable number.

1203670997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203670997 is an equidigital number, since it uses as much as digits as its factorization.

1203670997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 1203670997 is about 34693.9619674663. The cubic root of 1203670997 is about 1063.7410817428.

The spelling of 1203670997 in words is "one billion, two hundred three million, six hundred seventy thousand, nine hundred ninety-seven".