1192401280 has 192 divisors, whose sum is σ = 3390724800. Its totient is φ = 399630336.

The previous prime is 1192401277. The next prime is 1192401281. The reversal of 1192401280 is 821042911.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1192401281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1473516 + ... + 1474324.

It is an arithmetic number, because the mean of its divisors is an integer number (17660025).

Almost surely, 2^1192401280 is an apocalyptic number.

1192401280 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 1192401280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695362400).

1192401280 is an abundant number, since it is smaller than the sum of its proper divisors (2198323520).

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

1192401280 is an equidigital number, since it uses as much as digits as its factorization.

1192401280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1192401280 is about 34531.1638958203. The cubic root of 1192401280 is about 1060.4108055269.

The spelling of 1192401280 in words is "one billion, one hundred ninety-two million, four hundred one thousand, two hundred eighty".