1021344536 has 8 divisors (see below), whose sum is σ = 1915021020. Its totient is φ = 510672264.

The previous prime is 1021344517. The next prime is 1021344539. The reversal of 1021344536 is 6354431201.

1021344536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1021344536² = 2086289322434110592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021344499 and 1021344508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021344539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63834026 + ... + 63834041.

Almost surely, 2^1021344536 is an apocalyptic number.

It is an amenable number.

1021344536 is a deficient number, since it is larger than the sum of its proper divisors (893676484).

1021344536 is a wasteful number, since it uses less digits than its factorization.

1021344536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127668073 (or 127668069 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1021344536 is about 31958.4814407694. The cubic root of 1021344536 is about 1007.0648161670.

Adding to 1021344536 its reverse (6354431201), we get a palindrome (7375775737).

The spelling of 1021344536 in words is "one billion, twenty-one million, three hundred forty-four thousand, five hundred thirty-six".