124950005 has 6 divisors (see below), whose sum is σ = 149970006. Its totient is φ = 99940008.

The previous prime is 124949953. The next prime is 124950011. The reversal of 124950005 is 500059421.

It can be written as a sum of positive squares in only one way, i.e., 99960004 + 24990001 = 9998^2 + 4999^2 .

It is not a de Polignac number, because 124950005 - 2⁶ = 124949941 is a prime.

It is a super-2 number, since 2×124950005² = 31225007499000050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 22496 + ... + 27494.

It is an arithmetic number, because the mean of its divisors is an integer number (24995001).

Almost surely, 2^124950005 is an apocalyptic number.

It is an amenable number.

124950005 is a deficient number, since it is larger than the sum of its proper divisors (25020001).

124950005 is an frugal number, since it uses more digits than its factorization.

124950005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 124950005 is about 11178.1038195214. The cubic root of 124950005 is about 499.9333311109.

The spelling of 124950005 in words is "one hundred twenty-four million, nine hundred fifty thousand, five".