1242030300 has 72 divisors (see below), whose sum is σ = 4106987136. Its totient is φ = 283892160.

The previous prime is 1242030289. The next prime is 1242030313. The reversal of 1242030300 is 30302421.

It is a super-2 number, since 2×1242030300² = 3085278532236180000, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1242030300.

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, 293622 + ... + 297821.

It is an arithmetic number, because the mean of its divisors is an integer number (57041488).

Almost surely, 2^1242030300 is an apocalyptic number.

1242030300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242030300 is an abundant number, since it is smaller than the sum of its proper divisors (2864956836).

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

1242030300 is a wasteful number, since it uses less digits than its factorization.

1242030300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591467 (or 591460 counting only the distinct ones).

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

The square root of 1242030300 is about 35242.4502553384. The cubic root of 1242030300 is about 1074.9231024858.

Adding to 1242030300 its reverse (30302421), we get a palindrome (1272332721).

The spelling of 1242030300 in words is "one billion, two hundred forty-two million, thirty thousand, three hundred".