1302145 has 24 divisors (see below), whose sum is σ = 1791936. Its totient is φ = 906048.

The previous prime is 1302137. The next prime is 1302151. The reversal of 1302145 is 5412031.

It is not a de Polignac number, because 1302145 - 2³ = 1302137 is a prime.

It is a Duffinian number.

1302145 is a modest number, since divided by 2145 gives 130 as remainder.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19402 + ... + 19468.

It is an arithmetic number, because the mean of its divisors is an integer number (74664).

2^1302145 is an apocalyptic number.

It is an amenable number.

1302145 is a deficient number, since it is larger than the sum of its proper divisors (489791).

1302145 is a wasteful number, since it uses less digits than its factorization.

1302145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1302145 is about 1141.1156821287. The cubic root of 1302145 is about 109.1992819303.

Adding to 1302145 its reverse (5412031), we get a palindrome (6714176).

The spelling of 1302145 in words is "one million, three hundred two thousand, one hundred forty-five".