1120042101 has 16 divisors (see below), whose sum is σ = 1538682624. Its totient is φ = 724329984.

The previous prime is 1120042087. The next prime is 1120042129. The reversal of 1120042101 is 1012400211.

It is a happy number.

It is not a de Polignac number, because 1120042101 - 2⁹ = 1120041589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120042181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19216 + ... + 51081.

It is an arithmetic number, because the mean of its divisors is an integer number (96167664).

Almost surely, 2^1120042101 is an apocalyptic number.

It is an amenable number.

1120042101 is a deficient number, since it is larger than the sum of its proper divisors (418640523).

1120042101 is a wasteful number, since it uses less digits than its factorization.

1120042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70460.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1120042101 is about 33467.0300594481. The cubic root of 1120042101 is about 1038.5118326592.

Adding to 1120042101 its reverse (1012400211), we get a palindrome (2132442312).

It can be divided in two parts, 11200 and 42101, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 1120042101 in words is "one billion, one hundred twenty million, forty-two thousand, one hundred one".