1190590920 has 256 divisors, whose sum is σ = 4424544000. Its totient is φ = 283004928.

The previous prime is 1190590897. The next prime is 1190590943. The reversal of 1190590920 is 290950911.

It is an interprime number because it is at equal distance from previous prime (1190590897) and next prime (1190590943).

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 347134 + ... + 350546.

It is an arithmetic number, because the mean of its divisors is an integer number (17283375).

Almost surely, 2^1190590920 is an apocalyptic number.

1190590920 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 1190590920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2212272000).

1190590920 is an abundant number, since it is smaller than the sum of its proper divisors (3233953080).

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

1190590920 is a wasteful number, since it uses less digits than its factorization.

1190590920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 1190590920 is about 34504.9405158160. The cubic root of 1190590920 is about 1059.8738784321.

The spelling of 1190590920 in words is "one billion, one hundred ninety million, five hundred ninety thousand, nine hundred twenty".