1241604 has 72 divisors (see below), whose sum is σ = 3872960. Its totient is φ = 326592.

The previous prime is 1241587. The next prime is 1241627. The reversal of 1241604 is 4061421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3087 + ... + 3465.

2^1241604 is an apocalyptic number.

1241604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1936480).

1241604 is an abundant number, since it is smaller than the sum of its proper divisors (2631356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241604 is a wasteful number, since it uses less digits than its factorization.

1241604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1241604 is about 1114.2728570687. The cubic root of 1241604 is about 107.4800107055.

It can be divided in two parts, 124 and 1604, that added together give a cube (1728 = 12³).

The spelling of 1241604 in words is "one million, two hundred forty-one thousand, six hundred four".