1122525543 has 4 divisors (see below), whose sum is σ = 1496700728. Its totient is φ = 748350360.

The previous prime is 1122525541. The next prime is 1122525559. The reversal of 1122525543 is 3455252211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1122525543 - 2¹ = 1122525541 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 1122525543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122525541) 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, 187087588 + ... + 187087593.

It is an arithmetic number, because the mean of its divisors is an integer number (374175182).

Almost surely, 2^1122525543 is an apocalyptic number.

1122525543 is a deficient number, since it is larger than the sum of its proper divisors (374175185).

1122525543 is an equidigital number, since it uses as much as digits as its factorization.

1122525543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374175184.

The product of its digits is 12000, while the sum is 30.

The square root of 1122525543 is about 33504.1123296828. The cubic root of 1122525543 is about 1039.2788217052.

Adding to 1122525543 its reverse (3455252211), we get a palindrome (4577777754).

The spelling of 1122525543 in words is "one billion, one hundred twenty-two million, five hundred twenty-five thousand, five hundred forty-three".