1026539012 has 6 divisors (see below), whose sum is σ = 1796443278. Its totient is φ = 513269504.

The previous prime is 1026538993. The next prime is 1026539029. The reversal of 1026539012 is 2109356201.

It can be written as a sum of positive squares in only one way, i.e., 719097856 + 307441156 = 26816^2 + 17534^2 .

It is a super-2 number, since 2×1026539012² = 2107564686315872288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128317373 + ... + 128317380.

It is an arithmetic number, because the mean of its divisors is an integer number (299407213).

Almost surely, 2^1026539012 is an apocalyptic number.

It is an amenable number.

1026539012 is a deficient number, since it is larger than the sum of its proper divisors (769904266).

1026539012 is a wasteful number, since it uses less digits than its factorization.

1026539012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256634757 (or 256634755 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1026539012 is about 32039.6475011820. The cubic root of 1026539012 is about 1008.7692134473.

The spelling of 1026539012 in words is "one billion, twenty-six million, five hundred thirty-nine thousand, twelve".