1450561121 has 4 divisors (see below), whose sum is σ = 1500580500. Its totient is φ = 1400541744.

The previous prime is 1450561117. The next prime is 1450561127. The reversal of 1450561121 is 1211650541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 734410000 + 716151121 = 27100^2 + 26761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450561121 - 2² = 1450561117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1450561127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25009646 + ... + 25009703.

It is an arithmetic number, because the mean of its divisors is an integer number (375145125).

Almost surely, 2^1450561121 is an apocalyptic number.

It is an amenable number.

1450561121 is a deficient number, since it is larger than the sum of its proper divisors (50019379).

1450561121 is an equidigital number, since it uses as much as digits as its factorization.

1450561121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50019378.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1450561121 is about 38086.2326963432. The cubic root of 1450561121 is about 1131.9971783924.

The spelling of 1450561121 in words is "one billion, four hundred fifty million, five hundred sixty-one thousand, one hundred twenty-one".