1187412480 has 320 divisors, whose sum is σ = 4330972800. Its totient is φ = 308183040.

The previous prime is 1187412469. The next prime is 1187412487. The reversal of 1187412480 is 842147811.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187412487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2833711 + ... + 2834129.

It is an arithmetic number, because the mean of its divisors is an integer number (13534290).

Almost surely, 2^1187412480 is an apocalyptic number.

1187412480 is a gapful number since it is divisible by the number (10) 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 1187412480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2165486400).

1187412480 is an abundant number, since it is smaller than the sum of its proper divisors (3143560320).

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

1187412480 is an equidigital number, since it uses as much as digits as its factorization.

1187412480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 1187412480 is about 34458.8519831987. The cubic root of 1187412480 is about 1058.9298800365.

The spelling of 1187412480 in words is "one billion, one hundred eighty-seven million, four hundred twelve thousand, four hundred eighty".