1223254541 has 4 divisors (see below), whose sum is σ = 1224286272. Its totient is φ = 1222222812.

The previous prime is 1223254519. The next prime is 1223254547. The reversal of 1223254541 is 1454523221.

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: 1454523221 = 12487 ⋅116483.

It is a cyclic number.

It is not a de Polignac number, because 1223254541 - 2²⁶ = 1156145677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223254547) 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, 514085 + ... + 516458.

It is an arithmetic number, because the mean of its divisors is an integer number (306071568).

Almost surely, 2^1223254541 is an apocalyptic number.

It is an amenable number.

1223254541 is a deficient number, since it is larger than the sum of its proper divisors (1031731).

1223254541 is a wasteful number, since it uses less digits than its factorization.

1223254541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031730.

The product of its digits is 9600, while the sum is 29.

The square root of 1223254541 is about 34975.0559828001. The cubic root of 1223254541 is about 1069.4790432820.

Adding to 1223254541 its reverse (1454523221), we get a palindrome (2677777762).

The spelling of 1223254541 in words is "one billion, two hundred twenty-three million, two hundred fifty-four thousand, five hundred forty-one".