124545541 has 4 divisors (see below), whose sum is σ = 125030412. Its totient is φ = 124060672.

The previous prime is 124545527. The next prime is 124545581. The reversal of 124545541 is 145545421.

It is a happy number.

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 112148100 + 12397441 = 10590^2 + 3521^2 .

It is a cyclic number.

It is not a de Polignac number, because 124545541 - 2²³ = 116156933 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 (124545521) 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, 242050 + ... + 242563.

It is an arithmetic number, because the mean of its divisors is an integer number (31257603).

Almost surely, 2^124545541 is an apocalyptic number.

It is an amenable number.

124545541 is a deficient number, since it is larger than the sum of its proper divisors (484871).

124545541 is an equidigital number, since it uses as much as digits as its factorization.

124545541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484870.

The product of its digits is 16000, while the sum is 31.

The square root of 124545541 is about 11159.9973566305. The cubic root of 124545541 is about 499.3933188403.

The spelling of 124545541 in words is "one hundred twenty-four million, five hundred forty-five thousand, five hundred forty-one".