124120537 has 2 divisors, whose sum is σ = 124120538. Its totient is φ = 124120536.

The previous prime is 124120487. The next prime is 124120583. The reversal of 124120537 is 735021421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97298496 + 26822041 = 9864^2 + 5179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124120537 is a prime.

It is not a weakly prime, because it can be changed into another prime (124120637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62060268 + 62060269.

It is an arithmetic number, because the mean of its divisors is an integer number (62060269).

Almost surely, 2^124120537 is an apocalyptic number.

It is an amenable number.

124120537 is a deficient number, since it is larger than the sum of its proper divisors (1).

124120537 is an equidigital number, since it uses as much as digits as its factorization.

124120537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 124120537 is about 11140.9396820915. The cubic root of 124120537 is about 498.8246218039.

Adding to 124120537 its reverse (735021421), we get a palindrome (859141958).

The spelling of 124120537 in words is "one hundred twenty-four million, one hundred twenty thousand, five hundred thirty-seven".