1042636634 has 8 divisors (see below), whose sum is σ = 1684259220. Its totient is φ = 481216896.

The previous prime is 1042636627. The next prime is 1042636657. The reversal of 1042636634 is 4366362401.

It can be written as a sum of positive squares in 2 ways, for example, as 961186009 + 81450625 = 31003^2 + 9025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1042636594 and 1042636603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20050679 + ... + 20050730.

Almost surely, 2^1042636634 is an apocalyptic number.

1042636634 is a deficient number, since it is larger than the sum of its proper divisors (641622586).

1042636634 is a wasteful number, since it uses less digits than its factorization.

1042636634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40101424.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 1042636634 is about 32289.8843912455. The cubic root of 1042636634 is about 1014.0148769712.

The spelling of 1042636634 in words is "one billion, forty-two million, six hundred thirty-six thousand, six hundred thirty-four".