1242300 has 72 divisors (see below), whose sum is σ = 3718512. Its totient is φ = 320000.

The previous prime is 1242289. The next prime is 1242317. The reversal of 1242300 is 32421.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12250 + ... + 12350.

It is an arithmetic number, because the mean of its divisors is an integer number (51646).

2^1242300 is an apocalyptic number.

1242300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859256).

1242300 is an abundant number, since it is smaller than the sum of its proper divisors (2476212).

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

1242300 is a wasteful number, since it uses less digits than its factorization.

1242300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 152 counting only the distinct ones).

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

The square root of 1242300 is about 1114.5851246092. The cubic root of 1242300 is about 107.5000901387.

Adding to 1242300 its reverse (32421), we get a palindrome (1274721).

The spelling of 1242300 in words is "one million, two hundred forty-two thousand, three hundred".