1380054 has 24 divisors (see below), whose sum is σ = 2990952. Its totient is φ = 424320.

The previous prime is 1380053. The next prime is 1380083. The reversal of 1380054 is 4500831.

It is a self number, because there is not a number n which added to its sum of digits gives 1380054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (124623).

2^1380054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495476).

1380054 is an abundant number, since it is smaller than the sum of its proper divisors (1610898).

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

1380054 is a wasteful number, since it uses less digits than its factorization.

1380054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1380054 is about 1174.7569961486. The cubic root of 1380054 is about 111.3350803109.

Adding to 1380054 its reverse (4500831), we get a palindrome (5880885).

The spelling of 1380054 in words is "one million, three hundred eighty thousand, fifty-four".