1242330 has 16 divisors (see below), whose sum is σ = 2981664. Its totient is φ = 331280.

The previous prime is 1242317. The next prime is 1242347. The reversal of 1242330 is 332421.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20676 + ... + 20735.

It is an arithmetic number, because the mean of its divisors is an integer number (186354).

2^1242330 is an apocalyptic number.

1242330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242330 is an abundant number, since it is smaller than the sum of its proper divisors (1739334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242330 is a wasteful number, since it uses less digits than its factorization.

1242330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41421.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1242330 is about 1114.5985824502. The cubic root of 1242330 is about 107.5009554629.

Adding to 1242330 its reverse (332421), we get a palindrome (1574751).

Subtracting from 1242330 its reverse (332421), we obtain a palindrome (909909).

The spelling of 1242330 in words is "one million, two hundred forty-two thousand, three hundred thirty".