124949 has 8 divisors (see below), whose sum is σ = 140448. Its totient is φ = 110160.

The previous prime is 124919. The next prime is 124951. The reversal of 124949 is 949421.

124949 = T₇₀ + T₇₁ + ... + T₁₀₂.

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 124949 - 2⁸ = 124693 is a prime.

It is a super-2 number, since 2×124949² = 31224505202, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124909) 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, 254 + ... + 560.

It is an arithmetic number, because the mean of its divisors is an integer number (17556).

2¹²⁴⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

124949 is a deficient number, since it is larger than the sum of its proper divisors (15499).

124949 is a wasteful number, since it uses less digits than its factorization.

124949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its digits is 2592, while the sum is 29.

The square root of 124949 is about 353.4812583434. The cubic root of 124949 is about 49.9931990750.

The spelling of 124949 in words is "one hundred twenty-four thousand, nine hundred forty-nine".