124996049 has 4 divisors (see below), whose sum is σ = 125044836. Its totient is φ = 124947264.

The previous prime is 124996037. The next prime is 124996051. The reversal of 124996049 is 940699421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940699421 = 547 ⋅1719743.

It can be written as a sum of positive squares in 2 ways, for example, as 113571649 + 11424400 = 10657^2 + 3380^2 .

It is a cyclic number.

It is not a de Polignac number, because 124996049 - 2⁴ = 124996033 is a prime.

It is a super-2 number, since 2×124996049² = 31248024531220802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124996549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20324 + ... + 25749.

It is an arithmetic number, because the mean of its divisors is an integer number (31261209).

Almost surely, 2^124996049 is an apocalyptic number.

It is an amenable number.

124996049 is a deficient number, since it is larger than the sum of its proper divisors (48787).

124996049 is an equidigital number, since it uses as much as digits as its factorization.

124996049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48786.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 124996049 is about 11180.1631920111. The cubic root of 124996049 is about 499.9947319445.

The spelling of 124996049 in words is "one hundred twenty-four million, nine hundred ninety-six thousand, forty-nine".