1202997001 has 2 divisors, whose sum is σ = 1202997002. Its totient is φ = 1202997000.

The previous prime is 1202996987. The next prime is 1202997011. The reversal of 1202997001 is 1007992021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1193633401 + 9363600 = 34549^2 + 3060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202997001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202997011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601498500 + 601498501.

It is an arithmetic number, because the mean of its divisors is an integer number (601498501).

Almost surely, 2^1202997001 is an apocalyptic number.

It is an amenable number.

1202997001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202997001 is an equidigital number, since it uses as much as digits as its factorization.

1202997001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1202997001 is about 34684.2471591932. The cubic root of 1202997001 is about 1063.5424972742.

The spelling of 1202997001 in words is "one billion, two hundred two million, nine hundred ninety-seven thousand, one".