1012501653 has 16 divisors (see below), whose sum is σ = 1411992960. Its totient is φ = 644143104.

The previous prime is 1012501619. The next prime is 1012501661. The reversal of 1012501653 is 3561052101.

1012501653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012501653 - 2⁹ = 1012501141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012501603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12933 + ... + 46821.

It is an arithmetic number, because the mean of its divisors is an integer number (88249560).

Almost surely, 2^1012501653 is an apocalyptic number.

It is an amenable number.

1012501653 is a deficient number, since it is larger than the sum of its proper divisors (399491307).

1012501653 is a wasteful number, since it uses less digits than its factorization.

1012501653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34348.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1012501653 is about 31819.8311277731. The cubic root of 1012501653 is about 1004.1499715786.

Adding to 1012501653 its reverse (3561052101), we get a palindrome (4573553754).

The spelling of 1012501653 in words is "one billion, twelve million, five hundred one thousand, six hundred fifty-three".