1461247 has 4 divisors (see below), whose sum is σ = 1508416. Its totient is φ = 1414080.

The previous prime is 1461211. The next prime is 1461283. The reversal of 1461247 is 7421641.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1461211) and next prime (1461283).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1461247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23538 + ... + 23599.

It is an arithmetic number, because the mean of its divisors is an integer number (377104).

2^1461247 is an apocalyptic number.

1461247 is a deficient number, since it is larger than the sum of its proper divisors (47169).

1461247 is an equidigital number, since it uses as much as digits as its factorization.

1461247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47168.

The product of its digits is 1344, while the sum is 25.

The square root of 1461247 is about 1208.8204994953. The cubic root of 1461247 is about 113.4770082870.

Adding to 1461247 its reverse (7421641), we get a palindrome (8882888).

The spelling of 1461247 in words is "one million, four hundred sixty-one thousand, two hundred forty-seven".