1205158148 has 6 divisors (see below), whose sum is σ = 2109026766. Its totient is φ = 602579072.

The previous prime is 1205158147. The next prime is 1205158153. The reversal of 1205158148 is 8418515021.

It can be written as a sum of positive squares in only one way, i.e., 1200483904 + 4674244 = 34648^2 + 2162^2 .

It is not an unprimeable number, because it can be changed into a prime (1205158147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150644765 + ... + 150644772.

It is an arithmetic number, because the mean of its divisors is an integer number (351504461).

Almost surely, 2^1205158148 is an apocalyptic number.

It is an amenable number.

1205158148 is a deficient number, since it is larger than the sum of its proper divisors (903868618).

1205158148 is a wasteful number, since it uses less digits than its factorization.

1205158148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301289541 (or 301289539 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 1205158148 is about 34715.3877696908. The cubic root of 1205158148 is about 1064.1789900417.

The spelling of 1205158148 in words is "one billion, two hundred five million, one hundred fifty-eight thousand, one hundred forty-eight".