1012563652 has 24 divisors (see below), whose sum is σ = 1840809600. Its totient is φ = 486765216.

The previous prime is 1012563641. The next prime is 1012563653. The reversal of 1012563652 is 2563652101.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1012563653) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9463 + ... + 45985.

It is an arithmetic number, because the mean of its divisors is an integer number (76700400).

Almost surely, 2^1012563652 is an apocalyptic number.

It is an amenable number.

1012563652 is a deficient number, since it is larger than the sum of its proper divisors (828245948).

1012563652 is a wasteful number, since it uses less digits than its factorization.

1012563652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36795 (or 36793 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1012563652 is about 31820.8053323608. The cubic root of 1012563652 is about 1004.1704670261.

The spelling of 1012563652 in words is "one billion, twelve million, five hundred sixty-three thousand, six hundred fifty-two".