1262145 has 8 divisors (see below), whose sum is σ = 2019456. Its totient is φ = 673136.

The previous prime is 1262143. The next prime is 1262147. The reversal of 1262145 is 5412621.

It is an interprime number because it is at equal distance from previous prime (1262143) and next prime (1262147).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1262145 - 2¹ = 1262143 is a prime.

1262145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1262143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42057 + ... + 42086.

It is an arithmetic number, because the mean of its divisors is an integer number (252432).

2^1262145 is an apocalyptic number.

1262145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1262145 is a deficient number, since it is larger than the sum of its proper divisors (757311).

1262145 is an equidigital number, since it uses as much as digits as its factorization.

1262145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84151.

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

The square root of 1262145 is about 1123.4522686790. The cubic root of 1262145 is about 108.0694854629.

Adding to 1262145 its reverse (5412621), we get a palindrome (6674766).

The spelling of 1262145 in words is "one million, two hundred sixty-two thousand, one hundred forty-five".