1242280516 has 9 divisors (see below), whose sum is σ = 2174114271. Its totient is φ = 621105012.

The previous prime is 1242280499. The next prime is 1242280537. The reversal of 1242280516 is 6150822421.

The square root of 1242280516 is 35246.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 61681 + ... + 79303.

Almost surely, 2^1242280516 is an apocalyptic number.

1242280516 is the 35246-th square number.

It is an amenable number.

1242280516 is a deficient number, since it is larger than the sum of its proper divisors (931833755).

1242280516 is an frugal number, since it uses more digits than its factorization.

1242280516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35250 (or 17625 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The cubic root of 1242280516 is about 1074.9952813206.

The spelling of 1242280516 in words is "one billion, two hundred forty-two million, two hundred eighty thousand, five hundred sixteen".