124535531 has 4 divisors (see below), whose sum is σ = 126885312. Its totient is φ = 122185752.

The previous prime is 124535527. The next prime is 124535533. The reversal of 124535531 is 135535421.

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

It is a cyclic number.

It is not a de Polignac number, because 124535531 - 2² = 124535527 is a prime.

It is a super-2 number, since 2×124535531² = 31018196962903922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124535494 and 124535503.

It is not an unprimeable number, because it can be changed into a prime (124535533) 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, 1174811 + ... + 1174916.

It is an arithmetic number, because the mean of its divisors is an integer number (31721328).

Almost surely, 2^124535531 is an apocalyptic number.

124535531 is a deficient number, since it is larger than the sum of its proper divisors (2349781).

124535531 is an equidigital number, since it uses as much as digits as its factorization.

124535531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349780.

The product of its digits is 9000, while the sum is 29.

The square root of 124535531 is about 11159.5488708101. The cubic root of 124535531 is about 499.3799393675.

The spelling of 124535531 in words is "one hundred twenty-four million, five hundred thirty-five thousand, five hundred thirty-one".