1241745 has 16 divisors (see below), whose sum is σ = 2091840. Its totient is φ = 627264.

The previous prime is 1241743. The next prime is 1241761. The reversal of 1241745 is 5471421.

It is not a de Polignac number, because 1241745 - 2¹ = 1241743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (130740).

2^1241745 is an apocalyptic number.

1241745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241745 is a deficient number, since it is larger than the sum of its proper divisors (850095).

1241745 is a wasteful number, since it uses less digits than its factorization.

1241745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384.

The product of its digits is 1120, while the sum is 24.

The square root of 1241745 is about 1114.3361252333. The cubic root of 1241745 is about 107.4840791277.

The spelling of 1241745 in words is "one million, two hundred forty-one thousand, seven hundred forty-five".