124340747 has 4 divisors (see below), whose sum is σ = 125319936. Its totient is φ = 123361560.

The previous prime is 124340729. The next prime is 124340759. The reversal of 124340747 is 747043421.

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 124340747 - 2¹² = 124336651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124340717) 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, 489404 + ... + 489657.

It is an arithmetic number, because the mean of its divisors is an integer number (31329984).

Almost surely, 2^124340747 is an apocalyptic number.

124340747 is a deficient number, since it is larger than the sum of its proper divisors (979189).

124340747 is an equidigital number, since it uses as much as digits as its factorization.

124340747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979188.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 124340747 is about 11150.8182210993. The cubic root of 124340747 is about 499.1194461602.

The spelling of 124340747 in words is "one hundred twenty-four million, three hundred forty thousand, seven hundred forty-seven".