1208945122 has 24 divisors (see below), whose sum is σ = 2278015488. Its totient is φ = 471016920.

The previous prime is 1208945071. The next prime is 1208945149. The reversal of 1208945122 is 2215498021.

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, 355138 + ... + 358525.

It is an arithmetic number, because the mean of its divisors is an integer number (94917312).

Almost surely, 2^1208945122 is an apocalyptic number.

1208945122 is a deficient number, since it is larger than the sum of its proper divisors (1069070366).

1208945122 is a wasteful number, since it uses less digits than its factorization.

1208945122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713694 (or 713683 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1208945122 is about 34769.8881505247. Note that the first 3 decimals coincide. The cubic root of 1208945122 is about 1065.2924827246.

The spelling of 1208945122 in words is "one billion, two hundred eight million, nine hundred forty-five thousand, one hundred twenty-two".