1020737273 has 8 divisors (see below), whose sum is σ = 1118049480. Its totient is φ = 927566080.

The previous prime is 1020737243. The next prime is 1020737281. The reversal of 1020737273 is 3727370201.

It can be written as a sum of positive squares in 4 ways, for example, as 597900304 + 422836969 = 24452^2 + 20563^2 .

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 1020737273 - 2¹⁴ = 1020720889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020737243) 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, 1034738 + ... + 1035723.

It is an arithmetic number, because the mean of its divisors is an integer number (139756185).

Almost surely, 2^1020737273 is an apocalyptic number.

It is an amenable number.

1020737273 is a deficient number, since it is larger than the sum of its proper divisors (97312207).

1020737273 is a wasteful number, since it uses less digits than its factorization.

1020737273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070507.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 1020737273 is about 31948.9792168701. The cubic root of 1020737273 is about 1006.8651857047.

The spelling of 1020737273 in words is "one billion, twenty million, seven hundred thirty-seven thousand, two hundred seventy-three".