1409197 has 4 divisors (see below), whose sum is σ = 1457820. Its totient is φ = 1360576.

The previous prime is 1409171. The next prime is 1409203. The reversal of 1409197 is 7919041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 609961 = 894^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409197 - 2⁷ = 1409069 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 (1409117) 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, 24268 + ... + 24325.

It is an arithmetic number, because the mean of its divisors is an integer number (364455).

2^1409197 is an apocalyptic number.

It is an amenable number.

1409197 is a deficient number, since it is larger than the sum of its proper divisors (48623).

1409197 is an equidigital number, since it uses as much as digits as its factorization.

1409197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48622.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1409197 is about 1187.0960365531. The cubic root of 1409197 is about 112.1133259824.

The spelling of 1409197 in words is "one million, four hundred nine thousand, one hundred ninety-seven".