1198993572 has 108 divisors (see below), whose sum is σ = 3579820608. Its totient is φ = 331452000.

The previous prime is 1198993571. The next prime is 1198993573. The reversal of 1198993572 is 2753998911.

It is an interprime number because it is at equal distance from previous prime (1198993571) and next prime (1198993573).

It is not an unprimeable number, because it can be changed into a prime (1198993571) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 239697 + ... + 244647.

Almost surely, 2^1198993572 is an apocalyptic number.

1198993572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1198993572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1789910304).

1198993572 is an abundant number, since it is smaller than the sum of its proper divisors (2380827036).

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

1198993572 is a wasteful number, since it uses less digits than its factorization.

1198993572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030 (or 4994 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 1198993572 is about 34626.4865673663. The cubic root of 1198993572 is about 1062.3614057193.

The spelling of 1198993572 in words is "one billion, one hundred ninety-eight million, nine hundred ninety-three thousand, five hundred seventy-two".