1241889 has 8 divisors (see below), whose sum is σ = 1806432. Its totient is φ = 752640.

The previous prime is 1241879. The next prime is 1241893. The reversal of 1241889 is 9881421.

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

It is not a de Polignac number, because 1241889 - 2⁷ = 1241761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 37633 = 1241889 / (1 + 2 + 4 + 1 + 8 + 8 + 9).

1241889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1241819) 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, 18784 + ... + 18849.

It is an arithmetic number, because the mean of its divisors is an integer number (225804).

2^1241889 is an apocalyptic number.

It is an amenable number.

1241889 is a deficient number, since it is larger than the sum of its proper divisors (564543).

1241889 is a wasteful number, since it uses less digits than its factorization.

1241889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37647.

The product of its digits is 4608, while the sum is 33.

The square root of 1241889 is about 1114.4007358217. The cubic root of 1241889 is about 107.4882337942.

The spelling of 1241889 in words is "one million, two hundred forty-one thousand, eight hundred eighty-nine".