1190077920 has 384 divisors, whose sum is σ = 4463424000. Its totient is φ = 298971648.

The previous prime is 1190077907. The next prime is 1190077921. The reversal of 1190077920 is 297700911.

1190077920 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 (1190077921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6648391 + ... + 6648569.

It is an arithmetic number, because the mean of its divisors is an integer number (11623500).

Almost surely, 2^1190077920 is an apocalyptic number.

1190077920 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 1190077920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231712000).

1190077920 is an abundant number, since it is smaller than the sum of its proper divisors (3273346080).

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

1190077920 is an equidigital number, since it uses as much as digits as its factorization.

1190077920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 1190077920 is about 34497.5059968108. The cubic root of 1190077920 is about 1059.7216309498.

The spelling of 1190077920 in words is "one billion, one hundred ninety million, seventy-seven thousand, nine hundred twenty".