1341078672 has 160 divisors (see below), whose sum is σ = 3749760000. Its totient is φ = 411747840.

The previous prime is 1341078671. The next prime is 1341078679. The reversal of 1341078672 is 2768701431.

It is a self number, because there is not a number n which added to its sum of digits gives 1341078672.

It is not an unprimeable number, because it can be changed into a prime (1341078671) 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, 9000454 + ... + 9000602.

It is an arithmetic number, because the mean of its divisors is an integer number (23436000).

Almost surely, 2^1341078672 is an apocalyptic number.

1341078672 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 1341078672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874880000).

1341078672 is an abundant number, since it is smaller than the sum of its proper divisors (2408681328).

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

1341078672 is a wasteful number, since it uses less digits than its factorization.

1341078672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 1341078672 is about 36620.7410083412. The cubic root of 1341078672 is about 1102.7695148912.

The spelling of 1341078672 in words is "one billion, three hundred forty-one million, seventy-eight thousand, six hundred seventy-two".