1197088440 has 32 divisors (see below), whose sum is σ = 3591265680. Its totient is φ = 319223552.

The previous prime is 1197088423. The next prime is 1197088457. The reversal of 1197088440 is 448807911.

It is an interprime number because it is at equal distance from previous prime (1197088423) and next prime (1197088457).

It is a junction number, because it is equal to n+sod(n) for n = 1197088392 and 1197088401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4987749 + ... + 4987988.

Almost surely, 2^1197088440 is an apocalyptic number.

1197088440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1197088440 is an abundant number, since it is smaller than the sum of its proper divisors (2394177240).

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

1197088440 is a wasteful number, since it uses less digits than its factorization.

1197088440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975751 (or 9975747 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1197088440 is about 34598.9658805000. The cubic root of 1197088440 is about 1061.7984303266.

The spelling of 1197088440 in words is "one billion, one hundred ninety-seven million, eighty-eight thousand, four hundred forty".