124066391 has 8 divisors (see below), whose sum is σ = 131489424. Its totient is φ = 116657280.

The previous prime is 124066381. The next prime is 124066403. The reversal of 124066391 is 193660421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124066391 - 2²² = 119872087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124066331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19121 + ... + 24773.

It is an arithmetic number, because the mean of its divisors is an integer number (16436178).

Almost surely, 2^124066391 is an apocalyptic number.

124066391 is a deficient number, since it is larger than the sum of its proper divisors (7423033).

124066391 is a wasteful number, since it uses less digits than its factorization.

124066391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 124066391 is about 11138.5093706474. The cubic root of 124066391 is about 498.7520759624.

The spelling of 124066391 in words is "one hundred twenty-four million, sixty-six thousand, three hundred ninety-one".