1245797 has 8 divisors (see below), whose sum is σ = 1469952. Its totient is φ = 1033200.

The previous prime is 1245791. The next prime is 1245799. The reversal of 1245797 is 7975421.

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

It is not a de Polignac number, because 1245797 - 2⁴ = 1245781 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 (1245791) 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, 2654 + ... + 3087.

It is an arithmetic number, because the mean of its divisors is an integer number (183744).

2^1245797 is an apocalyptic number.

It is an amenable number.

1245797 is a deficient number, since it is larger than the sum of its proper divisors (224155).

1245797 is an equidigital number, since it uses as much as digits as its factorization.

1245797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779.

The product of its digits is 17640, while the sum is 35.

The square root of 1245797 is about 1116.1527673217. The cubic root of 1245797 is about 107.6008644090.

The spelling of 1245797 in words is "one million, two hundred forty-five thousand, seven hundred ninety-seven".