1020091307 has 4 divisors (see below), whose sum is σ = 1080096696. Its totient is φ = 960085920.

The previous prime is 1020091253. The next prime is 1020091379. The reversal of 1020091307 is 7031900201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7031900201 = 41 ⋅171509761.

It is a cyclic number.

It is not a de Polignac number, because 1020091307 - 2¹⁶ = 1020025771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020094307) 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 3 ways as a sum of consecutive naturals, for example, 30002669 + ... + 30002702.

It is an arithmetic number, because the mean of its divisors is an integer number (270024174).

Almost surely, 2^1020091307 is an apocalyptic number.

1020091307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1020091307 is a deficient number, since it is larger than the sum of its proper divisors (60005389).

1020091307 is an equidigital number, since it uses as much as digits as its factorization.

1020091307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60005388.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1020091307 is about 31938.8682798874. The cubic root of 1020091307 is about 1006.6527451671.

Adding to 1020091307 its reverse (7031900201), we get a palindrome (8051991508).

The spelling of 1020091307 in words is "one billion, twenty million, ninety-one thousand, three hundred seven".