1198252863 has 6 divisors (see below), whose sum is σ = 1730809704. Its totient is φ = 798835236.

The previous prime is 1198252849. The next prime is 1198252877. The reversal of 1198252863 is 3682528911.

1198252863 is a `hidden beast` number, since 119 + 8 + 2 + 528 + 6 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1198252849) and next prime (1198252877).

It is not a de Polignac number, because 1198252863 - 2⁸ = 1198252607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198252763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66569595 + ... + 66569612.

It is an arithmetic number, because the mean of its divisors is an integer number (288468284).

Almost surely, 2^1198252863 is an apocalyptic number.

1198252863 is a deficient number, since it is larger than the sum of its proper divisors (532556841).

1198252863 is a wasteful number, since it uses less digits than its factorization.

1198252863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133139213 (or 133139210 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1198252863 is about 34615.7892153277. The cubic root of 1198252863 is about 1062.1425936614.

The spelling of 1198252863 in words is "one billion, one hundred ninety-eight million, two hundred fifty-two thousand, eight hundred sixty-three".