1247104 has 16 divisors (see below), whose sum is σ = 2484720. Its totient is φ = 623488.

The previous prime is 1247101. The next prime is 1247107. The reversal of 1247104 is 4017421.

It is an interprime number because it is at equal distance from previous prime (1247101) and next prime (1247107).

It is a tau number, because it is divible by the number of its divisors (16).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247101) 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 as a sum of consecutive naturals, namely, 4744 + ... + 4999.

It is an arithmetic number, because the mean of its divisors is an integer number (155295).

2^1247104 is an apocalyptic number.

It is an amenable number.

1247104 is a deficient number, since it is larger than the sum of its proper divisors (1237616).

1247104 is an frugal number, since it uses more digits than its factorization.

1247104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757 (or 9745 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1247104 is about 1116.7381071675. The cubic root of 1247104 is about 107.6384802692.

The spelling of 1247104 in words is "one million, two hundred forty-seven thousand, one hundred four".