1242556602 has 32 divisors (see below), whose sum is σ = 2898096000. Its totient is φ = 355015584.

The previous prime is 1242556583. The next prime is 1242556621. The reversal of 1242556602 is 2066552421.

It is an interprime number because it is at equal distance from previous prime (1242556583) and next prime (1242556621).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299827 + ... + 303942.

It is an arithmetic number, because the mean of its divisors is an integer number (90565500).

Almost surely, 2^1242556602 is an apocalyptic number.

1242556602 is an abundant number, since it is smaller than the sum of its proper divisors (1655539398).

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

1242556602 is an equidigital number, since it uses as much as digits as its factorization.

1242556602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603795 (or 603781 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1242556602 is about 35249.9163403263. The cubic root of 1242556602 is about 1075.0749115274.

The spelling of 1242556602 in words is "one billion, two hundred forty-two million, five hundred fifty-six thousand, six hundred two".