1020087104 has 28 divisors (see below), whose sum is σ = 2052754848. Its totient is φ = 502857600.

The previous prime is 1020087097. The next prime is 1020087109. The reversal of 1020087104 is 4017800201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020087104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020087109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107702 + ... + 116789.

Almost surely, 2^1020087104 is an apocalyptic number.

It is an amenable number.

1020087104 is an abundant number, since it is smaller than the sum of its proper divisors (1032667744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020087104 is an equidigital number, since it uses as much as digits as its factorization.

1020087104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224574 (or 224564 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1020087104 is about 31938.8024822472. The cubic root of 1020087104 is about 1006.6513626218.

Adding to 1020087104 its reverse (4017800201), we get a palindrome (5037887305).

The spelling of 1020087104 in words is "one billion, twenty million, eighty-seven thousand, one hundred four".