1148971658 has 8 divisors (see below), whose sum is σ = 1727958528. Its totient is φ = 572985484.

The previous prime is 1148971651. The next prime is 1148971679. The reversal of 1148971658 is 8561798411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1148971651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749216 + ... + 750747.

It is an arithmetic number, because the mean of its divisors is an integer number (215994816).

Almost surely, 2^1148971658 is an apocalyptic number.

1148971658 is a deficient number, since it is larger than the sum of its proper divisors (578986870).

1148971658 is a wasteful number, since it uses less digits than its factorization.

1148971658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500348.

The product of its digits is 483840, while the sum is 50.

The square root of 1148971658 is about 33896.4844489808. The cubic root of 1148971658 is about 1047.3771750656.

The spelling of 1148971658 in words is "one billion, one hundred forty-eight million, nine hundred seventy-one thousand, six hundred fifty-eight".