1020834845 has 8 divisors (see below), whose sum is σ = 1239761376. Its totient is φ = 806828176.

The previous prime is 1020834839. The next prime is 1020834883. The reversal of 1020834845 is 5484380201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020834845 - 2⁸ = 1020834589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229507 + ... + 1230336.

It is an arithmetic number, because the mean of its divisors is an integer number (154970172).

Almost surely, 2^1020834845 is an apocalyptic number.

It is an amenable number.

1020834845 is a deficient number, since it is larger than the sum of its proper divisors (218926531).

1020834845 is an equidigital number, since it uses as much as digits as its factorization.

1020834845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459931.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 1020834845 is about 31950.5061775240. The cubic root of 1020834845 is about 1006.8972666729.

The spelling of 1020834845 in words is "one billion, twenty million, eight hundred thirty-four thousand, eight hundred forty-five".