1201061045 has 8 divisors (see below), whose sum is σ = 1458638496. Its totient is φ = 949272016.

The previous prime is 1201061039. The next prime is 1201061047. The reversal of 1201061045 is 5401601021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201061045 - 2⁶ = 1201060981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201061047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446647 + ... + 1447476.

It is an arithmetic number, because the mean of its divisors is an integer number (182329812).

Almost surely, 2^1201061045 is an apocalyptic number.

It is an amenable number.

1201061045 is a deficient number, since it is larger than the sum of its proper divisors (257577451).

1201061045 is an equidigital number, since it uses as much as digits as its factorization.

1201061045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894211.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1201061045 is about 34656.3276329158. The cubic root of 1201061045 is about 1062.9716792945.

Adding to 1201061045 its reverse (5401601021), we get a palindrome (6602662066).

The spelling of 1201061045 in words is "one billion, two hundred one million, sixty-one thousand, forty-five".