1198735272 has 48 divisors (see below), whose sum is σ = 3710372640. Its totient is φ = 342495648.

The previous prime is 1198735267. The next prime is 1198735277. The reversal of 1198735272 is 2725378911.

1198735272 is a `hidden beast` number, since 119 + 8 + 7 + 3 + 527 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1198735267) and next prime (1198735277).

It is not an unprimeable number, because it can be changed into a prime (1198735277) 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, 1188718 + ... + 1189725.

It is an arithmetic number, because the mean of its divisors is an integer number (77299430).

Almost surely, 2^1198735272 is an apocalyptic number.

1198735272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1198735272 is an abundant number, since it is smaller than the sum of its proper divisors (2511637368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198735272 is a wasteful number, since it uses less digits than its factorization.

1198735272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378462 (or 2378455 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 1198735272 is about 34622.7565627002. The cubic root of 1198735272 is about 1062.2851118272.

The spelling of 1198735272 in words is "one billion, one hundred ninety-eight million, seven hundred thirty-five thousand, two hundred seventy-two".