2781102 has 16 divisors (see below), whose sum is σ = 5581440. Its totient is φ = 923832.

The previous prime is 2781089. The next prime is 2781109. The reversal of 2781102 is 2011872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2781109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (348840).

2^2781102 is an apocalyptic number.

2781102 is an abundant number, since it is smaller than the sum of its proper divisors (2800338).

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

2781102 is a wasteful number, since it uses less digits than its factorization.

2781102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 2781102 is about 1667.6636351495. The cubic root of 2781102 is about 140.6281636819.

Adding to 2781102 its reverse (2011872), we get a palindrome (4792974).

The spelling of 2781102 in words is "two million, seven hundred eighty-one thousand, one hundred two".