1020246136 has 32 divisors (see below), whose sum is σ = 2354415840. Its totient is φ = 403613568.

The previous prime is 1020246127. The next prime is 1020246191. The reversal of 1020246136 is 6316420201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020246136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699991 + ... + 701446.

It is an arithmetic number, because the mean of its divisors is an integer number (73575495).

Almost surely, 2^1020246136 is an apocalyptic number.

It is an amenable number.

1020246136 is an abundant number, since it is smaller than the sum of its proper divisors (1334169704).

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

1020246136 is a wasteful number, since it uses less digits than its factorization.

1020246136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401463 (or 1401459 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1020246136 is about 31941.2920214571. The cubic root of 1020246136 is about 1006.7036723576.

Adding to 1020246136 its reverse (6316420201), we get a palindrome (7336666337).

The spelling of 1020246136 in words is "one billion, twenty million, two hundred forty-six thousand, one hundred thirty-six".