1020902782 has 4 divisors (see below), whose sum is σ = 1531354176. Its totient is φ = 510451390.

The previous prime is 1020902777. The next prime is 1020902797. The reversal of 1020902782 is 2872090201.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255225694 + ... + 255225697.

It is an arithmetic number, because the mean of its divisors is an integer number (382838544).

Almost surely, 2^1020902782 is an apocalyptic number.

1020902782 is a deficient number, since it is larger than the sum of its proper divisors (510451394).

1020902782 is an equidigital number, since it uses as much as digits as its factorization.

1020902782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510451393.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1020902782 is about 31951.5693198315. The cubic root of 1020902782 is about 1006.9196026601.

Adding to 1020902782 its reverse (2872090201), we get a palindrome (3892992983).

The spelling of 1020902782 in words is "one billion, twenty million, nine hundred two thousand, seven hundred eighty-two".