124402655105 has 8 divisors (see below), whose sum is σ = 149516081064. Its totient is φ = 99366860800.

The previous prime is 124402655089. The next prime is 124402655119. The reversal of 124402655105 is 501556204421.

It can be written as a sum of positive squares in 4 ways, for example, as 46311470401 + 78091184704 = 215201^2 + 279448^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124402655105 - 2⁴ = 124402655089 is a prime.

It is a super-2 number, since 2×124402655105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19404386 + ... + 19410795.

It is an arithmetic number, because the mean of its divisors is an integer number (18689510133).

Almost surely, 2^124402655105 is an apocalyptic number.

It is an amenable number.

124402655105 is a deficient number, since it is larger than the sum of its proper divisors (25113425959).

124402655105 is an equidigital number, since it uses as much as digits as its factorization.

124402655105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38815827.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 124402655105 its reverse (501556204421), we get a palindrome (625958859526).

The spelling of 124402655105 in words is "one hundred twenty-four billion, four hundred two million, six hundred fifty-five thousand, one hundred five".