124999995243272 has 36 divisors (see below), whose sum is σ = 236821949201565. Its totient is φ = 61854149856000.

The previous prime is 124999995243257. The next prime is 124999995243287. The reversal of 124999995243272 is 272342599999421.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (124999995243257) and next prime (124999995243287).

It can be written as a sum of positive squares in 2 ways, for example, as 124674509019076 + 325486224196 = 11165774^2 + 570514^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7905694.

It is a super-2 number, since 2×124999995243272² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124999995243193 and 124999995243202.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3067388897 + ... + 3067429647.

Almost surely, 2^{124999995243272} is an apocalyptic number.

It is an amenable number.

124999995243272 is a deficient number, since it is larger than the sum of its proper divisors (111821953958293).

124999995243272 is an frugal number, since it uses more digits than its factorization.

124999995243272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81702 (or 40850 counting only the distinct ones).

The product of its digits is 1587237120, while the sum is 77.

The spelling of 124999995243272 in words is "one hundred twenty-four trillion, nine hundred ninety-nine billion, nine hundred ninety-five million, two hundred forty-three thousand, two hundred seventy-two".