1198453907 has 12 divisors (see below), whose sum is σ = 1400116536. Its totient is φ = 1022827680.

The previous prime is 1198453901. The next prime is 1198453951. The reversal of 1198453907 is 7093548911.

It is not a de Polignac number, because 1198453907 - 2¹⁰ = 1198452883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1198453901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41069 + ... + 63902.

It is an arithmetic number, because the mean of its divisors is an integer number (116676378).

Almost surely, 2^1198453907 is an apocalyptic number.

1198453907 is a deficient number, since it is larger than the sum of its proper divisors (201662629).

1198453907 is a wasteful number, since it uses less digits than its factorization.

1198453907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105218 (or 105211 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1198453907 is about 34618.6930284781. The cubic root of 1198453907 is about 1062.2019927695.

The spelling of 1198453907 in words is "one billion, one hundred ninety-eight million, four hundred fifty-three thousand, nine hundred seven".