1012646361 has 16 divisors (see below), whose sum is σ = 1445688000. Its totient is φ = 628243968.

The previous prime is 1012646357. The next prime is 1012646387. The reversal of 1012646361 is 1636462101.

It is not a de Polignac number, because 1012646361 - 2² = 1012646357 is a prime.

It is a super-3 number, since 3×1012646361³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012642361) 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 15 ways as a sum of consecutive naturals, for example, 107011 + ... + 116088.

It is an arithmetic number, because the mean of its divisors is an integer number (90355500).

Almost surely, 2^1012646361 is an apocalyptic number.

It is an amenable number.

1012646361 is a deficient number, since it is larger than the sum of its proper divisors (433041639).

1012646361 is a wasteful number, since it uses less digits than its factorization.

1012646361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223208.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1012646361 is about 31822.1049115234. The cubic root of 1012646361 is about 1004.1978074222.

It can be divided in two parts, 101 and 2646361, that added together give a palindrome (2646462).

The spelling of 1012646361 in words is "one billion, twelve million, six hundred forty-six thousand, three hundred sixty-one".