1012635373 has 4 divisors (see below), whose sum is σ = 1012830588. Its totient is φ = 1012440160.

The previous prime is 1012635361. The next prime is 1012635401. The reversal of 1012635373 is 3735362101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 810370089 + 202265284 = 28467^2 + 14222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012635373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012645373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89608 + ... + 100273.

It is an arithmetic number, because the mean of its divisors is an integer number (253207647).

Almost surely, 2^1012635373 is an apocalyptic number.

It is an amenable number.

1012635373 is a deficient number, since it is larger than the sum of its proper divisors (195215).

1012635373 is an equidigital number, since it uses as much as digits as its factorization.

1012635373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195214.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 1012635373 is about 31821.9322637705. The cubic root of 1012635373 is about 1004.1941753002.

Adding to 1012635373 its reverse (3735362101), we get a palindrome (4747997474).

The spelling of 1012635373 in words is "one billion, twelve million, six hundred thirty-five thousand, three hundred seventy-three".