1970122969 has 2 divisors, whose sum is σ = 1970122970. Its totient is φ = 1970122968.

The previous prime is 1970122927. The next prime is 1970122991. The reversal of 1970122969 is 9692210791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1852183369 + 117939600 = 43037^2 + 10860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970122969 - 2⁹ = 1970122457 is a prime.

It is a super-2 number, since 2×1970122969² = 7762769025962749922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1970122919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985061484 + 985061485.

It is an arithmetic number, because the mean of its divisors is an integer number (985061485).

Almost surely, 2^1970122969 is an apocalyptic number.

It is an amenable number.

1970122969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970122969 is an equidigital number, since it uses as much as digits as its factorization.

1970122969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 1970122969 is about 44386.0672846784. The cubic root of 1970122969 is about 1253.6157643009.

The spelling of 1970122969 in words is "one billion, nine hundred seventy million, one hundred twenty-two thousand, nine hundred sixty-nine".