1190750561 has 32 divisors (see below), whose sum is σ = 1625062656. Its totient is φ = 842400000.

The previous prime is 1190750521. The next prime is 1190750573. The reversal of 1190750561 is 1650570911.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1190750561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1190750521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51311 + ... + 70811.

It is an arithmetic number, because the mean of its divisors is an integer number (50783208).

Almost surely, 2^1190750561 is an apocalyptic number.

1190750561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1190750561 is a deficient number, since it is larger than the sum of its proper divisors (434312095).

1190750561 is a wasteful number, since it uses less digits than its factorization.

1190750561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19593.

The product of its (nonzero) digits is 9450, while the sum is 35.

The square root of 1190750561 is about 34507.2537446839. The cubic root of 1190750561 is about 1059.9212475609.

The spelling of 1190750561 in words is "one billion, one hundred ninety million, seven hundred fifty thousand, five hundred sixty-one".