1448412761 has 4 divisors (see below), whose sum is σ = 1448541492. Its totient is φ = 1448284032.

The previous prime is 1448412751. The next prime is 1448412809. The reversal of 1448412761 is 1672148441.

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 1259185225 + 189227536 = 35485^2 + 13756^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448412761 - 2¹⁸ = 1448150617 is a prime.

It is a super-3 number, since 3×1448412761³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448412751) 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, 45680 + ... + 70593.

It is an arithmetic number, because the mean of its divisors is an integer number (362135373).

Almost surely, 2^1448412761 is an apocalyptic number.

It is an amenable number.

1448412761 is a deficient number, since it is larger than the sum of its proper divisors (128731).

1448412761 is a wasteful number, since it uses less digits than its factorization.

1448412761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128730.

The product of its digits is 43008, while the sum is 38.

The square root of 1448412761 is about 38058.0183535612. The cubic root of 1448412761 is about 1131.4380524509.

The spelling of 1448412761 in words is "one billion, four hundred forty-eight million, four hundred twelve thousand, seven hundred sixty-one".