124619949 has 6 divisors (see below), whose sum is σ = 180006606. Its totient is φ = 83079960.

The previous prime is 124619947. The next prime is 124619953. The reversal of 124619949 is 949916421.

124619949 is a `hidden beast` number, since 1 + 24 + 619 + 9 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 123609924 + 1010025 = 11118^2 + 1005^2 .

It is not a de Polignac number, because 124619949 - 2¹ = 124619947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124619941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6923322 + ... + 6923339.

It is an arithmetic number, because the mean of its divisors is an integer number (30001101).

Almost surely, 2^124619949 is an apocalyptic number.

It is an amenable number.

124619949 is a deficient number, since it is larger than the sum of its proper divisors (55386657).

124619949 is a wasteful number, since it uses less digits than its factorization.

124619949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13846667 (or 13846664 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 124619949 is about 11163.3305514080. The cubic root of 124619949 is about 499.4927509041.

The spelling of 124619949 in words is "one hundred twenty-four million, six hundred nineteen thousand, nine hundred forty-nine".