1073105257 has 16 divisors (see below), whose sum is σ = 1264636800. Its totient is φ = 891551232.

The previous prime is 1073105249. The next prime is 1073105261. The reversal of 1073105257 is 7525013701.

It is a cyclic number.

It is not a de Polignac number, because 1073105257 - 2³ = 1073105249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1073105557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13369 + ... + 48217.

It is an arithmetic number, because the mean of its divisors is an integer number (79039800).

Almost surely, 2^1073105257 is an apocalyptic number.

It is an amenable number.

1073105257 is a deficient number, since it is larger than the sum of its proper divisors (191531543).

1073105257 is an equidigital number, since it uses as much as digits as its factorization.

1073105257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34992.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 1073105257 is about 32758.2853183740. The cubic root of 1073105257 is about 1023.7976007978.

Adding to 1073105257 its reverse (7525013701), we get a palindrome (8598118958).

The spelling of 1073105257 in words is "one billion, seventy-three million, one hundred five thousand, two hundred fifty-seven".