1240485 has 8 divisors (see below), whose sum is σ = 1984800. Its totient is φ = 661584.

The previous prime is 1240483. The next prime is 1240487. The reversal of 1240485 is 5840421.

It is an interprime number because it is at equal distance from previous prime (1240483) and next prime (1240487).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1240485 - 2¹ = 1240483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41335 + ... + 41364.

It is an arithmetic number, because the mean of its divisors is an integer number (248100).

2^1240485 is an apocalyptic number.

1240485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1240485 is a deficient number, since it is larger than the sum of its proper divisors (744315).

1240485 is an equidigital number, since it uses as much as digits as its factorization.

1240485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82707.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1240485 is about 1113.7706227047. The cubic root of 1240485 is about 107.4477120871.

The spelling of 1240485 in words is "one million, two hundred forty thousand, four hundred eighty-five".