124326401 has 4 divisors (see below), whose sum is σ = 127686612. Its totient is φ = 120966192.

The previous prime is 124326383. The next prime is 124326409. The reversal of 124326401 is 104623421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104623421 = 7 ⋅14946203.

It can be written as a sum of positive squares in 2 ways, for example, as 101525776 + 22800625 = 10076^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 124326401 - 2¹⁸ = 124064257 is a prime.

It is a super-2 number, since 2×124326401² = 30914107971225602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124326409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680050 + ... + 1680123.

It is an arithmetic number, because the mean of its divisors is an integer number (31921653).

Almost surely, 2^124326401 is an apocalyptic number.

It is an amenable number.

124326401 is a deficient number, since it is larger than the sum of its proper divisors (3360211).

124326401 is an equidigital number, since it uses as much as digits as its factorization.

124326401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360210.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 124326401 is about 11150.1749313632. The cubic root of 124326401 is about 499.1002498706.

Adding to 124326401 its reverse (104623421), we get a palindrome (228949822).

The spelling of 124326401 in words is "one hundred twenty-four million, three hundred twenty-six thousand, four hundred one".