1101026642 has 8 divisors (see below), whose sum is σ = 1656920496. Its totient is φ = 548719812.

The previous prime is 1101026639. The next prime is 1101026681. The reversal of 1101026642 is 2466201011.

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

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 3 ways as a sum of consecutive naturals, for example, 895988 + ... + 897215.

It is an arithmetic number, because the mean of its divisors is an integer number (207115062).

Almost surely, 2^1101026642 is an apocalyptic number.

1101026642 is a deficient number, since it is larger than the sum of its proper divisors (555893854).

1101026642 is a wasteful number, since it uses less digits than its factorization.

1101026642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793512.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1101026642 is about 33181.7215044669. The cubic root of 1101026642 is about 1032.6011616961.

Adding to 1101026642 its reverse (2466201011), we get a palindrome (3567227653).

The spelling of 1101026642 in words is "one billion, one hundred one million, twenty-six thousand, six hundred forty-two".