1241655 has 32 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 612480.

The previous prime is 1241651. The next prime is 1241659. The reversal of 1241655 is 5561421.

It is an interprime number because it is at equal distance from previous prime (1241651) and next prime (1241659).

It is not a de Polignac number, because 1241655 - 2² = 1241651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20325 + ... + 20385.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2^1241655 is an apocalyptic number.

1241655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1241655 is a deficient number, since it is larger than the sum of its proper divisors (901065).

1241655 is a wasteful number, since it uses less digits than its factorization.

1241655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151.

The product of its digits is 1200, while the sum is 24.

The square root of 1241655 is about 1114.2957417131. The cubic root of 1241655 is about 107.4814822980.

The spelling of 1241655 in words is "one million, two hundred forty-one thousand, six hundred fifty-five".