1572241 has 8 divisors (see below), whose sum is σ = 1761984. Its totient is φ = 1390320.

The previous prime is 1572239. The next prime is 1572247. The reversal of 1572241 is 1422751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1572241 - 2¹ = 1572239 is a prime.

It is a Duffinian number.

1572241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1572247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (220248).

2^1572241 is an apocalyptic number.

1572241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1572241 is a deficient number, since it is larger than the sum of its proper divisors (189743).

1572241 is a wasteful number, since it uses less digits than its factorization.

1572241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its digits is 560, while the sum is 22.

The square root of 1572241 is about 1253.8903460829. The cubic root of 1572241 is about 116.2803612839.

Adding to 1572241 its reverse (1422751), we get a palindrome (2994992).

The spelling of 1572241 in words is "one million, five hundred seventy-two thousand, two hundred forty-one".