1100421042 has 16 divisors (see below), whose sum is σ = 2515248192. Its totient is φ = 314406000.

The previous prime is 1100421031. The next prime is 1100421071. The reversal of 1100421042 is 2401240011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13100209 + ... + 13100292.

It is an arithmetic number, because the mean of its divisors is an integer number (157203012).

Almost surely, 2^1100421042 is an apocalyptic number.

1100421042 is an abundant number, since it is smaller than the sum of its proper divisors (1414827150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100421042 is a wasteful number, since it uses less digits than its factorization.

1100421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26200513.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1100421042 is about 33172.5947432515. The cubic root of 1100421042 is about 1032.4118057115.

Adding to 1100421042 its reverse (2401240011), we get a palindrome (3501661053).

The spelling of 1100421042 in words is "one billion, one hundred million, four hundred twenty-one thousand, forty-two".