1449469121 has 4 divisors (see below), whose sum is σ = 1451938992. Its totient is φ = 1446999252.

The previous prime is 1449469111. The next prime is 1449469127. The reversal of 1449469121 is 1219649441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1219649441 = 67 ⋅18203723.

It is a cyclic number.

It is not a de Polignac number, because 1449469121 - 2⁶ = 1449469057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449469127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234055 + ... + 1235228.

It is an arithmetic number, because the mean of its divisors is an integer number (362984748).

Almost surely, 2^1449469121 is an apocalyptic number.

It is an amenable number.

1449469121 is a deficient number, since it is larger than the sum of its proper divisors (2469871).

1449469121 is an equidigital number, since it uses as much as digits as its factorization.

1449469121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469870.

The product of its digits is 62208, while the sum is 41.

The square root of 1449469121 is about 38071.8941083839. The cubic root of 1449469121 is about 1131.7130466807.

The spelling of 1449469121 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, one hundred twenty-one".