1242030 has 32 divisors (see below), whose sum is σ = 3139200. Its totient is φ = 313632.

The previous prime is 1242029. The next prime is 1242061. The reversal of 1242030 is 302421.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1241997 and 1242015.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 520 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (98100).

2^1242030 is an apocalyptic number.

1242030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242030 is an abundant number, since it is smaller than the sum of its proper divisors (1897170).

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

1242030 is a wasteful number, since it uses less digits than its factorization.

1242030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1242030 is about 1114.4639967267. The cubic root of 1242030 is about 107.4923015940.

Adding to 1242030 its reverse (302421), we get a palindrome (1544451).

The spelling of 1242030 in words is "one million, two hundred forty-two thousand, thirty".