1240351 has 8 divisors (see below), whose sum is σ = 1456160. Its totient is φ = 1034208.

The previous prime is 1240333. The next prime is 1240361. The reversal of 1240351 is 1530421.

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

It is not a de Polignac number, because 1240351 - 2⁵ = 1240319 is a prime.

It is a Duffinian number.

1240351 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (182020).

2^1240351 is an apocalyptic number.

1240351 is a deficient number, since it is larger than the sum of its proper divisors (215809).

1240351 is an equidigital number, since it uses as much as digits as its factorization.

1240351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1240351 is about 1113.7104650671. The cubic root of 1240351 is about 107.4438430327.

Adding to 1240351 its reverse (1530421), we get a palindrome (2770772).

The spelling of 1240351 in words is "one million, two hundred forty thousand, three hundred fifty-one".