124949557 has 8 divisors (see below), whose sum is σ = 125949600. Its totient is φ = 123954000.

The previous prime is 124949543. The next prime is 124949579. The reversal of 124949557 is 755949421.

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 124949557 - 2¹⁹ = 124425269 is a prime.

It is a super-2 number, since 2×124949557² = 31224783588992498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124949527) 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, 72694 + ... + 74392.

It is an arithmetic number, because the mean of its divisors is an integer number (15743700).

Almost surely, 2^124949557 is an apocalyptic number.

It is an amenable number.

124949557 is a deficient number, since it is larger than the sum of its proper divisors (1000043).

124949557 is a wasteful number, since it uses less digits than its factorization.

124949557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243.

The product of its digits is 453600, while the sum is 46.

The square root of 124949557 is about 11178.0837803266. The cubic root of 124949557 is about 499.9327336175.

The spelling of 124949557 in words is "one hundred twenty-four million, nine hundred forty-nine thousand, five hundred fifty-seven".