1148898657 has 8 divisors (see below), whose sum is σ = 1581280000. Its totient is φ = 741224880.

The previous prime is 1148898589. The next prime is 1148898677. The reversal of 1148898657 is 7568988411.

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

It is not a de Polignac number, because 1148898657 - 2²⁷ = 1014680929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1148898597 and 1148898606.

It is not an unprimeable number, because it can be changed into a prime (1148898677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6176782 + ... + 6176967.

It is an arithmetic number, because the mean of its divisors is an integer number (197660000).

Almost surely, 2^1148898657 is an apocalyptic number.

It is an amenable number.

1148898657 is a deficient number, since it is larger than the sum of its proper divisors (432381343).

1148898657 is a wasteful number, since it uses less digits than its factorization.

1148898657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353783.

The product of its digits is 3870720, while the sum is 57.

The square root of 1148898657 is about 33895.4076092913. The cubic root of 1148898657 is about 1047.3549925630.

The spelling of 1148898657 in words is "one billion, one hundred forty-eight million, eight hundred ninety-eight thousand, six hundred fifty-seven".