1451123441 has 4 divisors (see below), whose sum is σ = 1451209332. Its totient is φ = 1451037552.

The previous prime is 1451123413. The next prime is 1451123477. The reversal of 1451123441 is 1443211541.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 504945841 + 946177600 = 22471^2 + 30760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451123441 - 2¹⁴ = 1451107057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1451123441.

It is not an unprimeable number, because it can be changed into a prime (1451123491) 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, 8270 + ... + 54503.

It is an arithmetic number, because the mean of its divisors is an integer number (362802333).

Almost surely, 2^1451123441 is an apocalyptic number.

It is an amenable number.

1451123441 is a deficient number, since it is larger than the sum of its proper divisors (85891).

1451123441 is an equidigital number, since it uses as much as digits as its factorization.

1451123441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85890.

The product of its digits is 1920, while the sum is 26.

The square root of 1451123441 is about 38093.6141761319. The cubic root of 1451123441 is about 1132.1434349934.

Adding to 1451123441 its reverse (1443211541), we get a palindrome (2894334982).

The spelling of 1451123441 in words is "one billion, four hundred fifty-one million, one hundred twenty-three thousand, four hundred forty-one".