381102 has 16 divisors (see below), whose sum is σ = 802560. Its totient is φ = 120312.

The previous prime is 381097. The next prime is 381103. The reversal of 381102 is 201183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381103) by changing a digit.

381102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558 + ... + 1785.

It is an arithmetic number, because the mean of its divisors is an integer number (50160).

2³⁸¹¹⁰² is an apocalyptic number.

381102 is an abundant number, since it is smaller than the sum of its proper divisors (421458).

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

381102 is a wasteful number, since it uses less digits than its factorization.

381102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 381102 is about 617.3345932313. The cubic root of 381102 is about 72.5015140389.

Adding to 381102 its reverse (201183), we get a palindrome (582285).

The spelling of 381102 in words is "three hundred eighty-one thousand, one hundred two".