1020122197 has 16 divisors (see below), whose sum is σ = 1080188928. Its totient is φ = 961464240.

The previous prime is 1020122161. The next prime is 1020122203. The reversal of 1020122197 is 7912210201.

It is a cyclic number.

It is not a de Polignac number, because 1020122197 - 2¹⁵ = 1020089429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020122897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527322 + ... + 529252.

It is an arithmetic number, because the mean of its divisors is an integer number (67511808).

Almost surely, 2^1020122197 is an apocalyptic number.

It is an amenable number.

1020122197 is a deficient number, since it is larger than the sum of its proper divisors (60066731).

1020122197 is a wasteful number, since it uses less digits than its factorization.

1020122197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1020122197 is about 31939.3518562916. The cubic root of 1020122197 is about 1006.6629060841.

Adding to 1020122197 its reverse (7912210201), we get a palindrome (8932332398).

The spelling of 1020122197 in words is "one billion, twenty million, one hundred twenty-two thousand, one hundred ninety-seven".