124620261 has 8 divisors (see below), whose sum is σ = 166239360. Its totient is φ = 83040672.

The previous prime is 124620257. The next prime is 124620263. The reversal of 124620261 is 162026421.

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

It is not a de Polignac number, because 124620261 - 2² = 124620257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124620263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501 + ... + 15858.

It is an arithmetic number, because the mean of its divisors is an integer number (20779920).

Almost surely, 2^124620261 is an apocalyptic number.

It is an amenable number.

124620261 is a deficient number, since it is larger than the sum of its proper divisors (41619099).

124620261 is a wasteful number, since it uses less digits than its factorization.

124620261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19755.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 124620261 is about 11163.3445257235. The cubic root of 124620261 is about 499.4931677491.

Adding to 124620261 its reverse (162026421), we get a palindrome (286646682).

The spelling of 124620261 in words is "one hundred twenty-four million, six hundred twenty thousand, two hundred sixty-one".