1381002 has 32 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 390000.

The previous prime is 1380997. The next prime is 1381027. The reversal of 1381002 is 2001831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5377 + ... + 5627.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2^1381002 is an apocalyptic number.

1381002 is an abundant number, since it is smaller than the sum of its proper divisors (1812342).

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

1381002 is a wasteful number, since it uses less digits than its factorization.

1381002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

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

The square root of 1381002 is about 1175.1604145818. The cubic root of 1381002 is about 111.3605675981.

Adding to 1381002 its reverse (2001831), we get a palindrome (3382833).

The spelling of 1381002 in words is "one million, three hundred eighty-one thousand, two".