1100356642 has 48 divisors (see below), whose sum is σ = 2098834848. Its totient is φ = 427835520.

The previous prime is 1100356601. The next prime is 1100356661. The reversal of 1100356642 is 2466530011.

It is a self number, because there is not a number n which added to its sum of digits gives 1100356642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847738 + ... + 849034.

It is an arithmetic number, because the mean of its divisors is an integer number (43725726).

Almost surely, 2^1100356642 is an apocalyptic number.

1100356642 is a deficient number, since it is larger than the sum of its proper divisors (998478206).

1100356642 is a wasteful number, since it uses less digits than its factorization.

1100356642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1100356642 is about 33171.6240482735. The cubic root of 1100356642 is about 1032.3916653547.

Adding to 1100356642 its reverse (2466530011), we get a palindrome (3566886653).

The spelling of 1100356642 in words is "one billion, one hundred million, three hundred fifty-six thousand, six hundred forty-two".