10105042 has 4 divisors (see below), whose sum is σ = 15157566. Its totient is φ = 5052520.

The previous prime is 10105037. The next prime is 10105057. The reversal of 10105042 is 24050101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 3024121 = 2661^2 + 1739^2 .

It is a super-2 number, since 2×10105042² = 204223747643528, 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, 2526259 + ... + 2526262.

Almost surely, 2^10105042 is an apocalyptic number.

10105042 is a deficient number, since it is larger than the sum of its proper divisors (5052524).

10105042 is an equidigital number, since it uses as much as digits as its factorization.

10105042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052523.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10105042 is about 3178.8428712348. The cubic root of 10105042 is about 216.1951967779.

Adding to 10105042 its reverse (24050101), we get a palindrome (34155143).

The spelling of 10105042 in words is "ten million, one hundred five thousand, forty-two".