1198330545 has 16 divisors (see below), whose sum is σ = 1944335232. Its totient is φ = 630107520.

The previous prime is 1198330517. The next prime is 1198330571. The reversal of 1198330545 is 5450338911.

It is not a de Polignac number, because 1198330545 - 2¹⁷ = 1198199473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561532 + ... + 563661.

It is an arithmetic number, because the mean of its divisors is an integer number (121520952).

Almost surely, 2^1198330545 is an apocalyptic number.

1198330545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1198330545 is a deficient number, since it is larger than the sum of its proper divisors (746004687).

1198330545 is a wasteful number, since it uses less digits than its factorization.

1198330545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125272.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1198330545 is about 34616.9112573609. The cubic root of 1198330545 is about 1062.1655458502.

The spelling of 1198330545 in words is "one billion, one hundred ninety-eight million, three hundred thirty thousand, five hundred forty-five".