1020436697 has 8 divisors (see below), whose sum is σ = 1166473152. Its totient is φ = 874465200.

The previous prime is 1020436649. The next prime is 1020436763. The reversal of 1020436697 is 7966340201.

1020436697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020436697 - 2²⁰ = 1019388121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020436697.

It is not an unprimeable number, because it can be changed into a prime (1020436297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24122 + ... + 51212.

It is an arithmetic number, because the mean of its divisors is an integer number (145809144).

Almost surely, 2^1020436697 is an apocalyptic number.

It is an amenable number.

1020436697 is a deficient number, since it is larger than the sum of its proper divisors (146036455).

1020436697 is an equidigital number, since it uses as much as digits as its factorization.

1020436697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32479.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1020436697 is about 31944.2748704678. The cubic root of 1020436697 is about 1006.7663456379.

Adding to 1020436697 its reverse (7966340201), we get a palindrome (8986776898).

The spelling of 1020436697 in words is "one billion, twenty million, four hundred thirty-six thousand, six hundred ninety-seven".