1245497 has 4 divisors (see below), whose sum is σ = 1358736. Its totient is φ = 1132260.

The previous prime is 1245479. The next prime is 1245509. The reversal of 1245497 is 7945421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7945421 = 11 ⋅722311.

It is a cyclic number.

It is not a de Polignac number, because 1245497 - 2¹⁴ = 1229113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245397) 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, 56603 + ... + 56624.

It is an arithmetic number, because the mean of its divisors is an integer number (339684).

2^1245497 is an apocalyptic number.

It is an amenable number.

1245497 is a deficient number, since it is larger than the sum of its proper divisors (113239).

1245497 is a wasteful number, since it uses less digits than its factorization.

1245497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113238.

The product of its digits is 10080, while the sum is 32.

The square root of 1245497 is about 1116.0183690245. The cubic root of 1245497 is about 107.5922266050.

The spelling of 1245497 in words is "one million, two hundred forty-five thousand, four hundred ninety-seven".