1242352000 has 64 divisors (see below), whose sum is σ = 3088837440. Its totient is φ = 496934400.

The previous prime is 1242351991. The next prime is 1242352009. The reversal of 1242352000 is 2532421.

It is an interprime number because it is at equal distance from previous prime (1242351991) and next prime (1242352009).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242352009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22824 + ... + 54823.

It is an arithmetic number, because the mean of its divisors is an integer number (48263085).

Almost surely, 2^1242352000 is an apocalyptic number.

1242352000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242352000 is an abundant number, since it is smaller than the sum of its proper divisors (1846485440).

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

1242352000 is an frugal number, since it uses more digits than its factorization.

1242352000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77676 (or 77654 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1242352000 is about 35247.0140579312. The cubic root of 1242352000 is about 1075.0159002516.

Adding to 1242352000 its reverse (2532421), we get a palindrome (1244884421).

The spelling of 1242352000 in words is "one billion, two hundred forty-two million, three hundred fifty-two thousand".