1202020969 has 2 divisors, whose sum is σ = 1202020970. Its totient is φ = 1202020968.

The previous prime is 1202020949. The next prime is 1202021003. The reversal of 1202020969 is 9690202021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680583744 + 521437225 = 26088^2 + 22835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202020969 - 2¹¹ = 1202018921 is a prime.

It is a super-2 number, since 2×1202020969² = 2889708819831397922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1202020969.

It is not a weakly prime, because it can be changed into another prime (1202020949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601010484 + 601010485.

It is an arithmetic number, because the mean of its divisors is an integer number (601010485).

Almost surely, 2^1202020969 is an apocalyptic number.

It is an amenable number.

1202020969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202020969 is an equidigital number, since it uses as much as digits as its factorization.

1202020969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1202020969 is about 34670.1740549424. The cubic root of 1202020969 is about 1063.2547901638.

The spelling of 1202020969 in words is "one billion, two hundred two million, twenty thousand, nine hundred sixty-nine".