1241550 has 72 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 316800.

The previous prime is 1241549. The next prime is 1241551. The reversal of 1241550 is 551421.

It is an interprime number because it is at equal distance from previous prime (1241549) and next prime (1241551).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13906 + ... + 13994.

It is an arithmetic number, because the mean of its divisors is an integer number (48360).

2^1241550 is an apocalyptic number.

1241550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740960).

1241550 is an abundant number, since it is smaller than the sum of its proper divisors (2240370).

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

1241550 is a wasteful number, since it uses less digits than its factorization.

1241550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1241550 is about 1114.2486257564. The cubic root of 1241550 is about 107.4784525048.

Adding to 1241550 its reverse (551421), we get a palindrome (1792971).

The spelling of 1241550 in words is "one million, two hundred forty-one thousand, five hundred fifty".