1020726299 has 2 divisors, whose sum is σ = 1020726300. Its totient is φ = 1020726298.

The previous prime is 1020726293. The next prime is 1020726337. The reversal of 1020726299 is 9926270201.

It is an a-pointer prime, because the next prime (1020726337) can be obtained adding 1020726299 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020726299 - 2⁸ = 1020726043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020726293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510363149 + 510363150.

It is an arithmetic number, because the mean of its divisors is an integer number (510363150).

Almost surely, 2^1020726299 is an apocalyptic number.

1020726299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020726299 is an equidigital number, since it uses as much as digits as its factorization.

1020726299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1020726299 is about 31948.8074738323. The cubic root of 1020726299 is about 1006.8615774050.

The spelling of 1020726299 in words is "one billion, twenty million, seven hundred twenty-six thousand, two hundred ninety-nine".