104731426 has 4 divisors (see below), whose sum is σ = 157097142. Its totient is φ = 52365712.

The previous prime is 104731409. The next prime is 104731433. The reversal of 104731426 is 624137401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624137401 = 1051 ⋅593851.

It can be written as a sum of positive squares in only one way, i.e., 103002201 + 1729225 = 10149^2 + 1315^2 .

It is a junction number, because it is equal to n+sod(n) for n = 104731394 and 104731403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26182855 + ... + 26182858.

Almost surely, 2^104731426 is an apocalyptic number.

104731426 is a deficient number, since it is larger than the sum of its proper divisors (52365716).

104731426 is an equidigital number, since it uses as much as digits as its factorization.

104731426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52365715.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 104731426 is about 10233.8373057226. The cubic root of 104731426 is about 471.3668165117.

Adding to 104731426 its reverse (624137401), we get a palindrome (728868827).

The spelling of 104731426 in words is "one hundred four million, seven hundred thirty-one thousand, four hundred twenty-six".