1444103121 has 4 divisors (see below), whose sum is σ = 1925470832. Its totient is φ = 962735412.

The previous prime is 1444103119. The next prime is 1444103123. The reversal of 1444103121 is 1213014441.

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: 1213014441 = 3 ⋅404338147.

It is an interprime number because it is at equal distance from previous prime (1444103119) and next prime (1444103123).

It is not a de Polignac number, because 1444103121 - 2¹ = 1444103119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444103123) 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, 240683851 + ... + 240683856.

It is an arithmetic number, because the mean of its divisors is an integer number (481367708).

Almost surely, 2^1444103121 is an apocalyptic number.

It is an amenable number.

1444103121 is a deficient number, since it is larger than the sum of its proper divisors (481367711).

1444103121 is an equidigital number, since it uses as much as digits as its factorization.

1444103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481367710.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1444103121 is about 38001.3568310396. The cubic root of 1444103121 is about 1130.3147688646.

Adding to 1444103121 its reverse (1213014441), we get a palindrome (2657117562).

The spelling of 1444103121 in words is "one billion, four hundred forty-four million, one hundred three thousand, one hundred twenty-one".