1101894 has 16 divisors (see below), whose sum is σ = 2226432. Its totient is φ = 363528.

The previous prime is 1101883. The next prime is 1101901. The reversal of 1101894 is 4981011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (139152).

2^1101894 is an apocalyptic number.

1101894 is an abundant number, since it is smaller than the sum of its proper divisors (1124538).

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

1101894 is a wasteful number, since it uses less digits than its factorization.

1101894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1101894 is about 1049.7113889065. The cubic root of 1101894 is about 103.2872241965.

Subtracting from 1101894 its sum of digits (24), we obtain a triangular number (1101870 = T₁₄₈₄).

The spelling of 1101894 in words is "one million, one hundred one thousand, eight hundred ninety-four".