1101942 has 24 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 354480.

The previous prime is 1101941. The next prime is 1101959. The reversal of 1101942 is 2491011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (102960).

2^1101942 is an apocalyptic number.

1101942 is an abundant number, since it is smaller than the sum of its proper divisors (1369098).

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

1101942 is a wasteful number, since it uses less digits than its factorization.

1101942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1101942 is about 1049.7342520848. The cubic root of 1101942 is about 103.2887239520.

Subtracting from 1101942 its product of nonzero digits (72), we obtain a triangular number (1101870 = T₁₄₈₄).

Adding to 1101942 its reverse (2491011), we get a palindrome (3592953).

The spelling of 1101942 in words is "one million, one hundred one thousand, nine hundred forty-two".