105013642 has 4 divisors (see below), whose sum is σ = 157520466. Its totient is φ = 52506820.

The previous prime is 105013619. The next prime is 105013663. The reversal of 105013642 is 246310501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246310501 = 17 ⋅14488853.

It can be written as a sum of positive squares in only one way, i.e., 86099841 + 18913801 = 9279^2 + 4349^2 .

It is a super-2 number, since 2×105013642² = 22055730012208328, 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, 26253409 + ... + 26253412.

Almost surely, 2^105013642 is an apocalyptic number.

105013642 is a deficient number, since it is larger than the sum of its proper divisors (52506824).

105013642 is an equidigital number, since it uses as much as digits as its factorization.

105013642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52506823.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 105013642 is about 10247.6164057794. The cubic root of 105013642 is about 471.7898285060.

The spelling of 105013642 in words is "one hundred five million, thirteen thousand, six hundred forty-two".