1219151360 has 120 divisors (see below), whose sum is σ = 3400697520. Its totient is φ = 417951744.

The previous prime is 1219151357. The next prime is 1219151371. The reversal of 1219151360 is 631519121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120581 + ... + 130299.

It is an arithmetic number, because the mean of its divisors is an integer number (28339146).

Almost surely, 2^1219151360 is an apocalyptic number.

1219151360 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 1219151360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700348760).

1219151360 is an abundant number, since it is smaller than the sum of its proper divisors (2181546160).

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

1219151360 is an frugal number, since it uses more digits than its factorization.

1219151360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756 (or 9733 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 1219151360 is about 34916.3480335501. The cubic root of 1219151360 is about 1068.2819139168.

The spelling of 1219151360 in words is "one billion, two hundred nineteen million, one hundred fifty-one thousand, three hundred sixty".