1242107000 has 32 divisors (see below), whose sum is σ = 2906532720. Its totient is φ = 496842400.

The previous prime is 1242106997. The next prime is 1242107047. The reversal of 1242107000 is 7012421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242107000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620054 + ... + 622053.

Almost surely, 2^1242107000 is an apocalyptic number.

1242107000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242107000 is an abundant number, since it is smaller than the sum of its proper divisors (1664425720).

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

1242107000 is a wasteful number, since it uses less digits than its factorization.

1242107000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242128 (or 1242114 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1242107000 is about 35243.5384148641. The cubic root of 1242107000 is about 1074.9452288662.

Adding to 1242107000 its reverse (7012421), we get a palindrome (1249119421).

The spelling of 1242107000 in words is "one billion, two hundred forty-two million, one hundred seven thousand".