1201141445 has 16 divisors (see below), whose sum is σ = 1649562240. Its totient is φ = 822498624.

The previous prime is 1201141441. The next prime is 1201141481. The reversal of 1201141445 is 5441411021.

It is a cyclic number.

It is not a de Polignac number, because 1201141445 - 2² = 1201141441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201141445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201141441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2246 + ... + 49064.

It is an arithmetic number, because the mean of its divisors is an integer number (103097640).

Almost surely, 2^1201141445 is an apocalyptic number.

It is an amenable number.

1201141445 is a deficient number, since it is larger than the sum of its proper divisors (448420795).

1201141445 is an equidigital number, since it uses as much as digits as its factorization.

1201141445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47564.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1201141445 is about 34657.4875748373. The cubic root of 1201141445 is about 1062.9953974939.

Adding to 1201141445 its reverse (5441411021), we get a palindrome (6642552466).

The spelling of 1201141445 in words is "one billion, two hundred one million, one hundred forty-one thousand, four hundred forty-five".