1190261834860 has 384 divisors, whose sum is σ = 3117251837952. Its totient is φ = 373082112000.

The previous prime is 1190261834753. The next prime is 1190261834873. The reversal of 1190261834860 is 684381620911.

It is a happy number.

It is a super-2 number, since 2×1190261834860² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2284571400 + ... + 2284571920.

It is an arithmetic number, because the mean of its divisors is an integer number (8117843328).

Almost surely, 2^{1190261834860} is an apocalyptic number.

1190261834860 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 1190261834860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558625918976).

1190261834860 is an abundant number, since it is smaller than the sum of its proper divisors (1926990003092).

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

1190261834860 is a wasteful number, since it uses less digits than its factorization.

1190261834860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 1190261834860 in words is "one trillion, one hundred ninety billion, two hundred sixty-one million, eight hundred thirty-four thousand, eight hundred sixty".