1208134494 has 128 divisors (see below), whose sum is σ = 3296640000. Its totient is φ = 326918592.

The previous prime is 1208134441. The next prime is 1208134621. The reversal of 1208134494 is 4944318021.

It is a happy number.

1208134494 is a `hidden beast` number, since 1 + 208 + 1 + 3 + 449 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 350202 + ... + 353634.

It is an arithmetic number, because the mean of its divisors is an integer number (25755000).

Almost surely, 2^1208134494 is an apocalyptic number.

1208134494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208134494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648320000).

1208134494 is an abundant number, since it is smaller than the sum of its proper divisors (2088505506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1208134494 is a wasteful number, since it uses less digits than its factorization.

1208134494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484 (or 3464 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1208134494 is about 34758.2291551224. The cubic root of 1208134494 is about 1065.0543277186.

The spelling of 1208134494 in words is "one billion, two hundred eight million, one hundred thirty-four thousand, four hundred ninety-four".