1020534698 has 16 divisors (see below), whose sum is σ = 1550213640. Its totient is φ = 503813376.

The previous prime is 1020534689. The next prime is 1020534709. The reversal of 1020534698 is 8964350201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 643281769 + 377252929 = 25363^2 + 19423^2 .

It is a super-3 number, since 3×1020534698³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 133886 + ... + 141302.

Almost surely, 2^1020534698 is an apocalyptic number.

1020534698 is a deficient number, since it is larger than the sum of its proper divisors (529678942).

1020534698 is an equidigital number, since it uses as much as digits as its factorization.

1020534698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1020534698 is about 31945.8087704788. The cubic root of 1020534698 is about 1006.7985739804.

Adding to 1020534698 its reverse (8964350201), we get a palindrome (9984884899).

The spelling of 1020534698 in words is "one billion, twenty million, five hundred thirty-four thousand, six hundred ninety-eight".