1198152250 has 16 divisors (see below), whose sum is σ = 2242941480. Its totient is φ = 479260800.

The previous prime is 1198152229. The next prime is 1198152253. The reversal of 1198152250 is 522518911.

1198152250 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 199402641 + 998749609 = 14121^2 + 31603^2 .

It is not an unprimeable number, because it can be changed into a prime (1198152253) 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, 2396055 + ... + 2396554.

Almost surely, 2^1198152250 is an apocalyptic number.

1198152250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198152250 is a deficient number, since it is larger than the sum of its proper divisors (1044789230).

1198152250 is an equidigital number, since it uses as much as digits as its factorization.

1198152250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792626 (or 4792616 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 1198152250 is about 34614.3359029175. The cubic root of 1198152250 is about 1062.1128647265.

The spelling of 1198152250 in words is "one billion, one hundred ninety-eight million, one hundred fifty-two thousand, two hundred fifty".