1242124008 has 32 divisors (see below), whose sum is σ = 3129768960. Its totient is φ = 410780160.

The previous prime is 1242124007. The next prime is 1242124021. The reversal of 1242124008 is 8004212421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1242124007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 200713 + ... + 206808.

It is an arithmetic number, because the mean of its divisors is an integer number (97805280).

Almost surely, 2^1242124008 is an apocalyptic number.

It is an amenable number.

1242124008 is an abundant number, since it is smaller than the sum of its proper divisors (1887644952).

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

1242124008 is a wasteful number, since it uses less digits than its factorization.

1242124008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407657 (or 407653 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 1242124008 is about 35243.7797064957. The cubic root of 1242124008 is about 1074.9501352028.

Adding to 1242124008 its reverse (8004212421), we get a palindrome (9246336429).

It can be divided in two parts, 1242 and 124008, that added together give a triangular number (125250 = T₅₀₀).

The spelling of 1242124008 in words is "one billion, two hundred forty-two million, one hundred twenty-four thousand, eight".