1012031197 has 2 divisors, whose sum is σ = 1012031198. Its totient is φ = 1012031196.

The previous prime is 1012031173. The next prime is 1012031221. The reversal of 1012031197 is 7911302101.

It is a balanced prime because it is at equal distance from previous prime (1012031173) and next prime (1012031221).

It can be written as a sum of positive squares in only one way, i.e., 539447076 + 472584121 = 23226^2 + 21739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012031197 - 2²³ = 1003642589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012031107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506015598 + 506015599.

It is an arithmetic number, because the mean of its divisors is an integer number (506015599).

Almost surely, 2^1012031197 is an apocalyptic number.

It is an amenable number.

1012031197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012031197 is an equidigital number, since it uses as much as digits as its factorization.

1012031197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1012031197 is about 31812.4377720413. The cubic root of 1012031197 is about 1003.9944223459.

Adding to 1012031197 its reverse (7911302101), we get a palindrome (8923333298).

It can be divided in two parts, 101203 and 1197, that added together give a square (102400 = 320²).

The spelling of 1012031197 in words is "one billion, twelve million, thirty-one thousand, one hundred ninety-seven".