1201145392 has 10 divisors (see below), whose sum is σ = 2327219228. Its totient is φ = 600572688.

The previous prime is 1201145369. The next prime is 1201145483. The reversal of 1201145392 is 2935411021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201145392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37535778 + ... + 37535809.

Almost surely, 2^1201145392 is an apocalyptic number.

It is an amenable number.

1201145392 is a deficient number, since it is larger than the sum of its proper divisors (1126073836).

1201145392 is an equidigital number, since it uses as much as digits as its factorization.

1201145392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75071595 (or 75071589 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1201145392 is about 34657.5445177526. The cubic root of 1201145392 is about 1062.9965618415.

The spelling of 1201145392 in words is "one billion, two hundred one million, one hundred forty-five thousand, three hundred ninety-two".