1190491512 has 256 divisors, whose sum is σ = 3782246400. Its totient is φ = 304611840.

The previous prime is 1190491469. The next prime is 1190491541. The reversal of 1190491512 is 2151940911.

It is a super-2 number, since 2×1190491512² = 2834540080288092288, which contains 22 as substring.

1190491512 is a modest number, since divided by 91512 gives 11904 as remainder.

It is a congruent number.

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, 5244343 + ... + 5244569.

It is an arithmetic number, because the mean of its divisors is an integer number (14774400).

Almost surely, 2^1190491512 is an apocalyptic number.

1190491512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 34503×34504.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1190491512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891123200).

1190491512 is an abundant number, since it is smaller than the sum of its proper divisors (2591754888).

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

1190491512 is a wasteful number, since it uses less digits than its factorization.

1190491512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 1190491512 is about 34503.4999963772. The cubic root of 1190491512 is about 1059.8443796700.

The spelling of 1190491512 in words is "one billion, one hundred ninety million, four hundred ninety-one thousand, five hundred twelve".