105203402 has 4 divisors (see below), whose sum is σ = 157805106. Its totient is φ = 52601700.

The previous prime is 105203393. The next prime is 105203411. The reversal of 105203402 is 204302501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204302501 = 13 ⋅15715577.

It is an interprime number because it is at equal distance from previous prime (105203393) and next prime (105203411).

It can be written as a sum of positive squares in only one way, i.e., 90079081 + 15124321 = 9491^2 + 3889^2 .

It is a super-2 number, since 2×105203402² = 22135511584747208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26300849 + ... + 26300852.

Almost surely, 2^105203402 is an apocalyptic number.

105203402 is a deficient number, since it is larger than the sum of its proper divisors (52601704).

105203402 is an equidigital number, since it uses as much as digits as its factorization.

105203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52601703.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 105203402 is about 10256.8709653578. The cubic root of 105203402 is about 472.0738327716.

Adding to 105203402 its reverse (204302501), we get a palindrome (309505903).

Subtracting 105203402 from its reverse (204302501), we obtain a palindrome (99099099).

The spelling of 105203402 in words is "one hundred five million, two hundred three thousand, four hundred two".