124123434514 has 4 divisors (see below), whose sum is σ = 186185151774. Its totient is φ = 62061717256.

The previous prime is 124123434493. The next prime is 124123434521. The reversal of 124123434514 is 415434321421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121944132025 + 2179302489 = 349205^2 + 46683^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 124123434514.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31030858627 + ... + 31030858630.

Almost surely, 2^124123434514 is an apocalyptic number.

124123434514 is a deficient number, since it is larger than the sum of its proper divisors (62061717260).

124123434514 is an equidigital number, since it uses as much as digits as its factorization.

124123434514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62061717259.

The product of its digits is 46080, while the sum is 34.

Adding to 124123434514 its reverse (415434321421), we get a palindrome (539557755935).

The spelling of 124123434514 in words is "one hundred twenty-four billion, one hundred twenty-three million, four hundred thirty-four thousand, five hundred fourteen".