1242270650 has 24 divisors (see below), whose sum is σ = 2320233564. Its totient is φ = 494841600.

The previous prime is 1242270643. The next prime is 1242270683. The reversal of 1242270650 is 560722421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 612612001 + 629658649 = 24751^2 + 25093^2 .

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, 39497 + ... + 63596.

Almost surely, 2^1242270650 is an apocalyptic number.

1242270650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242270650 is a deficient number, since it is larger than the sum of its proper divisors (1077962914).

1242270650 is a wasteful number, since it uses less digits than its factorization.

1242270650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103346 (or 103341 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1242270650 is about 35245.8600405778. The cubic root of 1242270650 is about 1074.9924354975.

The spelling of 1242270650 in words is "one billion, two hundred forty-two million, two hundred seventy thousand, six hundred fifty".