1372241 has 4 divisors (see below), whose sum is σ = 1477812. Its totient is φ = 1266672.

The previous prime is 1372211. The next prime is 1372243. The reversal of 1372241 is 1422731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1422731 = 431 ⋅3301.

It can be written as a sum of positive squares in 2 ways, for example, as 555025 + 817216 = 745^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372241 - 2¹⁰ = 1371217 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372243) 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, 52766 + ... + 52791.

It is an arithmetic number, because the mean of its divisors is an integer number (369453).

2^1372241 is an apocalyptic number.

It is an amenable number.

1372241 is a deficient number, since it is larger than the sum of its proper divisors (105571).

1372241 is a wasteful number, since it uses less digits than its factorization.

1372241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105570.

The product of its digits is 336, while the sum is 20.

The square root of 1372241 is about 1171.4269076643. The cubic root of 1372241 is about 111.1245794414.

Adding to 1372241 its reverse (1422731), we get a palindrome (2794972).

The spelling of 1372241 in words is "one million, three hundred seventy-two thousand, two hundred forty-one".