103512401 has 4 divisors (see below), whose sum is σ = 104302704. Its totient is φ = 102722100.

The previous prime is 103512389. The next prime is 103512419. The reversal of 103512401 is 104215301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104215301 = 3643 ⋅28607.

It is a cyclic number.

It is not a de Polignac number, because 103512401 - 2¹⁰ = 103511377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103512401.

It is not an unprimeable number, because it can be changed into a prime (103512601) 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, 394955 + ... + 395216.

It is an arithmetic number, because the mean of its divisors is an integer number (26075676).

Almost surely, 2^103512401 is an apocalyptic number.

It is an amenable number.

103512401 is a deficient number, since it is larger than the sum of its proper divisors (790303).

103512401 is an equidigital number, since it uses as much as digits as its factorization.

103512401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790302.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 103512401 is about 10174.1044323321. The cubic root of 103512401 is about 469.5308446548.

Adding to 103512401 its reverse (104215301), we get a palindrome (207727702).

The spelling of 103512401 in words is "one hundred three million, five hundred twelve thousand, four hundred one".