1197488544 has 96 divisors (see below), whose sum is σ = 3653475840. Its totient is φ = 336329472.

The previous prime is 1197488533. The next prime is 1197488549. The reversal of 1197488544 is 4458847911.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1197488544² = 2867957626022479872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1197488549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24547 + ... + 54749.

It is an arithmetic number, because the mean of its divisors is an integer number (38057040).

Almost surely, 2^1197488544 is an apocalyptic number.

1197488544 is a gapful number since it is divisible by the number (14) 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 1197488544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826737920).

1197488544 is an abundant number, since it is smaller than the sum of its proper divisors (2455987296).

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

1197488544 is a wasteful number, since it uses less digits than its factorization.

1197488544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30282 (or 30274 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 1197488544 is about 34604.7474199712. The cubic root of 1197488544 is about 1061.9167124472.

The spelling of 1197488544 in words is "one billion, one hundred ninety-seven million, four hundred eighty-eight thousand, five hundred forty-four".