1020505746 has 32 divisors (see below), whose sum is σ = 2199415680. Its totient is φ = 313801344.

The previous prime is 1020505729. The next prime is 1020505793. The reversal of 1020505746 is 6475050201.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 159811 + ... + 166073.

It is an arithmetic number, because the mean of its divisors is an integer number (68731740).

Almost surely, 2^1020505746 is an apocalyptic number.

1020505746 is an abundant number, since it is smaller than the sum of its proper divisors (1178909934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020505746 is a wasteful number, since it uses less digits than its factorization.

1020505746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1020505746 is about 31945.3556248792. The cubic root of 1020505746 is about 1006.7890531191.

Adding to 1020505746 its reverse (6475050201), we get a palindrome (7495555947).

The spelling of 1020505746 in words is "one billion, twenty million, five hundred five thousand, seven hundred forty-six".