1242003276 has 36 divisors (see below), whose sum is σ = 3158783992. Its totient is φ = 411459264.

The previous prime is 1242003241. The next prime is 1242003299. The reversal of 1242003276 is 6723002421.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99961 + ... + 111696.

Almost surely, 2^1242003276 is an apocalyptic number.

It is an amenable number.

1242003276 is an abundant number, since it is smaller than the sum of its proper divisors (1916780716).

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

1242003276 is a wasteful number, since it uses less digits than its factorization.

1242003276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211830 (or 211825 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1242003276 is about 35242.0668519881. The cubic root of 1242003276 is about 1074.9153063977.

Adding to 1242003276 its reverse (6723002421), we get a palindrome (7965005697).

The spelling of 1242003276 in words is "one billion, two hundred forty-two million, three thousand, two hundred seventy-six".