1247113 has 8 divisors (see below), whose sum is σ = 1435328. Its totient is φ = 1061424.

The previous prime is 1247107. The next prime is 1247117. The reversal of 1247113 is 3117421.

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

It is not a de Polignac number, because 1247113 - 2⁹ = 1246601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1247117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (179416).

2^1247113 is an apocalyptic number.

It is an amenable number.

1247113 is a deficient number, since it is larger than the sum of its proper divisors (188215).

1247113 is a wasteful number, since it uses less digits than its factorization.

1247113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its digits is 168, while the sum is 19.

The square root of 1247113 is about 1116.7421367532. The cubic root of 1247113 is about 107.6387392008.

The spelling of 1247113 in words is "one million, two hundred forty-seven thousand, one hundred thirteen".