10120442 has 4 divisors (see below), whose sum is σ = 15180666. Its totient is φ = 5060220.

The previous prime is 10120441. The next prime is 10120459. The reversal of 10120442 is 24402101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24402101 = 53 ⋅460417.

It can be written as a sum of positive squares in only one way, i.e., 10118761 + 1681 = 3181^2 + 41^2 .

It is not an unprimeable number, because it can be changed into a prime (10120441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530109 + ... + 2530112.

Almost surely, 2^10120442 is an apocalyptic number.

10120442 is a deficient number, since it is larger than the sum of its proper divisors (5060224).

10120442 is an equidigital number, since it uses as much as digits as its factorization.

10120442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060223.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10120442 is about 3181.2642141136. The cubic root of 10120442 is about 216.3049675943.

Adding to 10120442 its reverse (24402101), we get a palindrome (34522543).

The spelling of 10120442 in words is "ten million, one hundred twenty thousand, four hundred forty-two".