1020753165 has 16 divisors (see below), whose sum is σ = 1689523200. Its totient is φ = 525628992.

The previous prime is 1020753163. The next prime is 1020753197. The reversal of 1020753165 is 5613570201.

It is not a de Polignac number, because 1020753165 - 2¹ = 1020753163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020753163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172845 + ... + 1173714.

It is an arithmetic number, because the mean of its divisors is an integer number (105595200).

Almost surely, 2^1020753165 is an apocalyptic number.

1020753165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020753165 is a deficient number, since it is larger than the sum of its proper divisors (668770035).

1020753165 is a wasteful number, since it uses less digits than its factorization.

1020753165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346596.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1020753165 is about 31949.2279249437. The cubic root of 1020753165 is about 1006.8704110188.

The spelling of 1020753165 in words is "one billion, twenty million, seven hundred fifty-three thousand, one hundred sixty-five".