1254797 has 4 divisors (see below), whose sum is σ = 1272060. Its totient is φ = 1237536.

The previous prime is 1254793. The next prime is 1254823. The reversal of 1254797 is 7974521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7974521 = 251 ⋅31771.

It can be written as a sum of positive squares in 2 ways, for example, as 978121 + 276676 = 989^2 + 526^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254797 - 2² = 1254793 is a prime.

It is a super-2 number, since 2×1254797² = 3149031022418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254791) 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, 8522 + ... + 8667.

It is an arithmetic number, because the mean of its divisors is an integer number (318015).

2^1254797 is an apocalyptic number.

It is an amenable number.

1254797 is a deficient number, since it is larger than the sum of its proper divisors (17263).

1254797 is an equidigital number, since it uses as much as digits as its factorization.

1254797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17262.

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

The square root of 1254797 is about 1120.1772181222. The cubic root of 1254797 is about 107.8593562485.

The spelling of 1254797 in words is "one million, two hundred fifty-four thousand, seven hundred ninety-seven".