1020526287 has 16 divisors (see below), whose sum is σ = 1495739520. Its totient is φ = 613776800.

The previous prime is 1020526259. The next prime is 1020526301. The reversal of 1020526287 is 7826250201.

It is a cyclic number.

It is not a de Polignac number, because 1020526287 - 2⁷ = 1020526159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020526207) 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, 113712 + ... + 122357.

It is an arithmetic number, because the mean of its divisors is an integer number (93483720).

Almost surely, 2^1020526287 is an apocalyptic number.

1020526287 is a deficient number, since it is larger than the sum of its proper divisors (475213233).

1020526287 is a wasteful number, since it uses less digits than its factorization.

1020526287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236214.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1020526287 is about 31945.6771253952. The cubic root of 1020526287 is about 1006.7958080428.

Adding to 1020526287 its reverse (7826250201), we get a palindrome (8846776488).

The spelling of 1020526287 in words is "one billion, twenty million, five hundred twenty-six thousand, two hundred eighty-seven".