1190100912 has 640 divisors, whose sum is σ = 4607705088. Its totient is φ = 254361600.

The previous prime is 1190100889. The next prime is 1190100941. The reversal of 1190100912 is 2190010911.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 25321273 + ... + 25321319.

Almost surely, 2^1190100912 is an apocalyptic number.

1190100912 is a gapful number since it is divisible by the number (12) 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 1190100912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303852544).

1190100912 is an abundant number, since it is smaller than the sum of its proper divisors (3417604176).

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

1190100912 is a wasteful number, since it uses less digits than its factorization.

1190100912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 1190100912 is about 34497.8392366826. The cubic root of 1190100912 is about 1059.7284554225.

Subtracting 1190100912 from its reverse (2190010911), we obtain a palindrome (999909999).

The spelling of 1190100912 in words is "one billion, one hundred ninety million, one hundred thousand, nine hundred twelve".