1297449 has 6 divisors (see below), whose sum is σ = 1874106. Its totient is φ = 864960.

The previous prime is 1297447. The next prime is 1297451. The reversal of 1297449 is 9447921.

It is an interprime number because it is at equal distance from previous prime (1297447) and next prime (1297451).

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 257049 = 1020^2 + 507^2 .

It is not a de Polignac number, because 1297449 - 2¹ = 1297447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1297447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72072 + ... + 72089.

It is an arithmetic number, because the mean of its divisors is an integer number (312351).

2^1297449 is an apocalyptic number.

It is an amenable number.

1297449 is a deficient number, since it is larger than the sum of its proper divisors (576657).

1297449 is a wasteful number, since it uses less digits than its factorization.

1297449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144167 (or 144164 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1297449 is about 1139.0561882541. The cubic root of 1297449 is about 109.0678532716.

It can be divided in two parts, 12 and 97449, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 1297449 in words is "one million, two hundred ninety-seven thousand, four hundred forty-nine".