124140647 has 16 divisors (see below), whose sum is σ = 137060352. Its totient is φ = 111922560.

The previous prime is 124140629. The next prime is 124140649. The reversal of 124140647 is 746041421.

It is a happy number.

It is not a de Polignac number, because 124140647 - 2⁸ = 124140391 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 (124140649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53138 + ... + 55424.

It is an arithmetic number, because the mean of its divisors is an integer number (8566272).

Almost surely, 2^124140647 is an apocalyptic number.

124140647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

124140647 is a deficient number, since it is larger than the sum of its proper divisors (12919705).

124140647 is a wasteful number, since it uses less digits than its factorization.

124140647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 124140647 is about 11141.8421726391. The cubic root of 124140647 is about 498.8515601916.

The spelling of 124140647 in words is "one hundred twenty-four million, one hundred forty thousand, six hundred forty-seven".