124102502413 has 2 divisors, whose sum is σ = 124102502414. Its totient is φ = 124102502412.

The previous prime is 124102502411. The next prime is 124102502431. The reversal of 124102502413 is 314205201421.

Together with next prime (124102502431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99895187844 + 24207314569 = 316062^2 + 155587^2 .

It is a cyclic number.

It is not a de Polignac number, because 124102502413 - 2¹ = 124102502411 is a prime.

It is a super-2 number, since 2×124102502413² (a number of 23 digits) contains 22 as substring.

Together with 124102502411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124102502411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62051251206 + 62051251207.

It is an arithmetic number, because the mean of its divisors is an integer number (62051251207).

Almost surely, 2^124102502413 is an apocalyptic number.

It is an amenable number.

124102502413 is a deficient number, since it is larger than the sum of its proper divisors (1).

124102502413 is an equidigital number, since it uses as much as digits as its factorization.

124102502413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 124102502413 its reverse (314205201421), we get a palindrome (438307703834).

The spelling of 124102502413 in words is "one hundred twenty-four billion, one hundred two million, five hundred two thousand, four hundred thirteen".