124256434 has 16 divisors (see below), whose sum is σ = 202684248. Its totient is φ = 56892672.

The previous prime is 124256411. The next prime is 124256437. The reversal of 124256434 is 434652421.

It can be written as a sum of positive squares in 4 ways, for example, as 123143409 + 1113025 = 11097^2 + 1055^2 .

It is a super-2 number, since 2×124256434² = 30879322780792712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124256396 and 124256405.

It is not an unprimeable number, because it can be changed into a prime (124256437) 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, 48129 + ... + 50644.

Almost surely, 2^124256434 is an apocalyptic number.

124256434 is a deficient number, since it is larger than the sum of its proper divisors (78427814).

124256434 is a wasteful number, since it uses less digits than its factorization.

124256434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98829.

The product of its digits is 23040, while the sum is 31.

The square root of 124256434 is about 11147.0370054109. The cubic root of 124256434 is about 499.0066063117.

The spelling of 124256434 in words is "one hundred twenty-four million, two hundred fifty-six thousand, four hundred thirty-four".