1208945151 has 6 divisors (see below), whose sum is σ = 1746254120. Its totient is φ = 805963428.

The previous prime is 1208945149. The next prime is 1208945173. The reversal of 1208945151 is 1515498021.

1208945151 is a `hidden beast` number, since 120 + 89 + 451 + 5 + 1 = 666.

It is not a de Polignac number, because 1208945151 - 2¹ = 1208945149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208949151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67163611 + ... + 67163628.

Almost surely, 2^1208945151 is an apocalyptic number.

1208945151 is a deficient number, since it is larger than the sum of its proper divisors (537308969).

1208945151 is a wasteful number, since it uses less digits than its factorization.

1208945151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134327245 (or 134327242 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 1208945151 is about 34769.8885675522. Note that the first 3 decimals coincide. The cubic root of 1208945151 is about 1065.2924912427.

The spelling of 1208945151 in words is "one billion, two hundred eight million, nine hundred forty-five thousand, one hundred fifty-one".