1020602161 has 8 divisors (see below), whose sum is σ = 1066074624. Its totient is φ = 975221280.

The previous prime is 1020602131. The next prime is 1020602179. The reversal of 1020602161 is 1612060201.

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 1020602161 - 2⁵ = 1020602129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020602131) 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, 405 + ... + 45181.

It is an arithmetic number, because the mean of its divisors is an integer number (133259328).

Almost surely, 2^1020602161 is an apocalyptic number.

It is an amenable number.

1020602161 is a deficient number, since it is larger than the sum of its proper divisors (45472463).

1020602161 is an equidigital number, since it uses as much as digits as its factorization.

1020602161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45791.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1020602161 is about 31946.8646505412. The cubic root of 1020602161 is about 1006.8207584803.

Adding to 1020602161 its reverse (1612060201), we get a palindrome (2632662362).

The spelling of 1020602161 in words is "one billion, twenty million, six hundred two thousand, one hundred sixty-one".