1001012297 has 2 divisors, whose sum is σ = 1001012298.
Its totient is φ = 1001012296.
The previous prime is 1001012273. The next prime is 1001012303. The reversal of 1001012297 is 7922101001.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 537729721 + 463282576 = 23189^2 + 21524^2
It is a cyclic number.
It is not a de Polignac number, because 1001012297 - 210 = 1001011273 is a prime.
It is not a weakly prime, because it can be changed into another prime (1001012237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500506148 + 500506149.
It is an arithmetic number, because the mean of its divisors is an integer number (500506149).
Almost surely, 21001012297 is an apocalyptic number.
It is an amenable number.
1001012297 is a deficient number, since it is larger than the sum of its proper divisors (1).
1001012297 is an equidigital number, since it uses as much as digits as its factorization.
1001012297 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252, while the sum is 23.
The square root of 1001012297 is about 31638.7783740144.
The cubic root of 1001012297 is about 1000.3373185367.
Adding to 1001012297 its reverse (7922101001), we get a palindrome (8923113298).
The spelling of 1001012297 in words is "one billion, one million, twelve thousand, two hundred ninety-seven".