1201445363 has 4 divisors (see below), whose sum is σ = 1201519608. Its totient is φ = 1201371120.

The previous prime is 1201445359. The next prime is 1201445381. The reversal of 1201445363 is 3635441021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3635441021 = 31 ⋅117272291.

It is a cyclic number.

It is not a de Polignac number, because 1201445363 - 2² = 1201445359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201445303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 49038.

It is an arithmetic number, because the mean of its divisors is an integer number (300379902).

Almost surely, 2^1201445363 is an apocalyptic number.

1201445363 is a deficient number, since it is larger than the sum of its proper divisors (74245).

1201445363 is an equidigital number, since it uses as much as digits as its factorization.

1201445363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74244.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1201445363 is about 34661.8718911717. The cubic root of 1201445363 is about 1063.0850444967.

Adding to 1201445363 its reverse (3635441021), we get a palindrome (4836886384).

The spelling of 1201445363 in words is "one billion, two hundred one million, four hundred forty-five thousand, three hundred sixty-three".