1241660 has 48 divisors (see below), whose sum is σ = 3057600. Its totient is φ = 423360.

The previous prime is 1241659. The next prime is 1241677. The reversal of 1241660 is 661421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6770 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (63700).

2^1241660 is an apocalyptic number.

1241660 is a gapful number since it is divisible by the number (10) 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 1241660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528800).

1241660 is an abundant number, since it is smaller than the sum of its proper divisors (1815940).

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

1241660 is a wasteful number, since it uses less digits than its factorization.

1241660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1241660 is about 1114.2979852804. The cubic root of 1241660 is about 107.4816265696.

The spelling of 1241660 in words is "one million, two hundred forty-one thousand, six hundred sixty".