1201190775 has 24 divisors (see below), whose sum is σ = 1987015680. Its totient is φ = 640297440.

The previous prime is 1201190761. The next prime is 1201190789. The reversal of 1201190775 is 5770911021.

1201190775 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1201190761) and next prime (1201190789).

It is not a de Polignac number, because 1201190775 - 2⁸ = 1201190519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213144 + ... + 218706.

It is an arithmetic number, because the mean of its divisors is an integer number (82792320).

Almost surely, 2^1201190775 is an apocalyptic number.

1201190775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201190775 is a deficient number, since it is larger than the sum of its proper divisors (785824905).

1201190775 is a wasteful number, since it uses less digits than its factorization.

1201190775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8455 (or 8450 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 33.

The square root of 1201190775 is about 34658.1992463544. The cubic root of 1201190775 is about 1063.0099494424.

The spelling of 1201190775 in words is "one billion, two hundred one million, one hundred ninety thousand, seven hundred seventy-five".