10123501 has 4 divisors (see below), whose sum is σ = 10143900. Its totient is φ = 10103104.

The previous prime is 10123481. The next prime is 10123513. The reversal of 10123501 is 10532101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10532101 = 1699 ⋅6199.

It can be written as a sum of positive squares in 2 ways, for example, as 8970025 + 1153476 = 2995^2 + 1074^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123501 - 2⁹ = 10122989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123541) 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, 9436 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (2535975).

Almost surely, 2^10123501 is an apocalyptic number.

It is an amenable number.

10123501 is a deficient number, since it is larger than the sum of its proper divisors (20399).

10123501 is an equidigital number, since it uses as much as digits as its factorization.

10123501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20398.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 10123501 is about 3181.7449614952. The cubic root of 10123501 is about 216.3267588113.

Adding to 10123501 its reverse (10532101), we get a palindrome (20655602).

The spelling of 10123501 in words is "ten million, one hundred twenty-three thousand, five hundred one".