103402265 has 4 divisors (see below), whose sum is σ = 124082724. Its totient is φ = 82721808.

The previous prime is 103402249. The next prime is 103402301. The reversal of 103402265 is 562204301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562204301 = 1091 ⋅515311.

It can be written as a sum of positive squares in 2 ways, for example, as 27573001 + 75829264 = 5251^2 + 8708^2 .

It is a cyclic number.

It is not a de Polignac number, because 103402265 - 2⁴ = 103402249 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 103402265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10340222 + ... + 10340231.

It is an arithmetic number, because the mean of its divisors is an integer number (31020681).

Almost surely, 2^103402265 is an apocalyptic number.

It is an amenable number.

103402265 is a deficient number, since it is larger than the sum of its proper divisors (20680459).

103402265 is an equidigital number, since it uses as much as digits as its factorization.

103402265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20680458.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 103402265 is about 10168.6904269921. The cubic root of 103402265 is about 469.3642604264.

Adding to 103402265 its reverse (562204301), we get a palindrome (665606566).

The spelling of 103402265 in words is "one hundred three million, four hundred two thousand, two hundred sixty-five".