1241665 has 8 divisors (see below), whose sum is σ = 1505088. Its totient is φ = 983280.

The previous prime is 1241659. The next prime is 1241677. The reversal of 1241665 is 5661421.

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

It is not a de Polignac number, because 1241665 - 2¹³ = 1233473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (188136).

2^1241665 is an apocalyptic number.

It is an amenable number.

1241665 is a deficient number, since it is larger than the sum of its proper divisors (263423).

1241665 is a wasteful number, since it uses less digits than its factorization.

1241665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519.

The product of its digits is 1440, while the sum is 25.

The square root of 1241665 is about 1114.3002288432. The cubic root of 1241665 is about 107.4817708408.

The spelling of 1241665 in words is "one million, two hundred forty-one thousand, six hundred sixty-five".