1231414045 has 4 divisors (see below), whose sum is σ = 1477696860. Its totient is φ = 985131232.

The previous prime is 1231414027. The next prime is 1231414081. The reversal of 1231414045 is 5404141321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5404141321 = 89 ⋅60720689.

It can be written as a sum of positive squares in 2 ways, for example, as 741854169 + 489559876 = 27237^2 + 22126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231414045 - 2²⁵ = 1197859613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123141400 + ... + 123141409.

It is an arithmetic number, because the mean of its divisors is an integer number (369424215).

Almost surely, 2^1231414045 is an apocalyptic number.

It is an amenable number.

1231414045 is a deficient number, since it is larger than the sum of its proper divisors (246282815).

1231414045 is an equidigital number, since it uses as much as digits as its factorization.

1231414045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246282814.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1231414045 is about 35091.5095856533. The cubic root of 1231414045 is about 1071.8516994881.

Adding to 1231414045 its reverse (5404141321), we get a palindrome (6635555366).

The spelling of 1231414045 in words is "one billion, two hundred thirty-one million, four hundred fourteen thousand, forty-five".