1209516848 has 10 divisors (see below), whose sum is σ = 2343438924. Its totient is φ = 604758416.

The previous prime is 1209516829. The next prime is 1209516881. The reversal of 1209516848 is 8486159021.

It is a junction number, because it is equal to n+sod(n) for n = 1209516799 and 1209516808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37797386 + ... + 37797417.

Almost surely, 2^1209516848 is an apocalyptic number.

It is an amenable number.

1209516848 is a deficient number, since it is larger than the sum of its proper divisors (1133922076).

1209516848 is an equidigital number, since it uses as much as digits as its factorization.

1209516848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75594811 (or 75594805 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1209516848 is about 34778.1087467389. The cubic root of 1209516848 is about 1065.4603865205.

The spelling of 1209516848 in words is "one billion, two hundred nine million, five hundred sixteen thousand, eight hundred forty-eight".