1042635 has 32 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 492800.

The previous prime is 1042633. The next prime is 1042681. The reversal of 1042635 is 5362401.

It is a happy number.

It is not a de Polignac number, because 1042635 - 2¹ = 1042633 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11671 + ... + 11759.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2^1042635 is an apocalyptic number.

1042635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1042635 is a deficient number, since it is larger than the sum of its proper divisors (823605).

1042635 is a wasteful number, since it uses less digits than its factorization.

1042635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1042635 is about 1021.0950004774. The cubic root of 1042635 is about 101.4014347256.

The spelling of 1042635 in words is "one million, forty-two thousand, six hundred thirty-five".