1242310 has 8 divisors (see below), whose sum is σ = 2236176. Its totient is φ = 496920.

The previous prime is 1242289. The next prime is 1242317. The reversal of 1242310 is 132421.

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

It is a super-2 number, since 2×1242310² = 3086668272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62106 + ... + 62125.

It is an arithmetic number, because the mean of its divisors is an integer number (279522).

2^1242310 is an apocalyptic number.

1242310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242310 is a deficient number, since it is larger than the sum of its proper divisors (993866).

1242310 is a wasteful number, since it uses less digits than its factorization.

1242310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124238.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1242310 is about 1114.5896105742. The cubic root of 1242310 is about 107.5003785817.

Adding to 1242310 its reverse (132421), we get a palindrome (1374731).

The spelling of 1242310 in words is "one million, two hundred forty-two thousand, three hundred ten".