42120362 has 4 divisors (see below), whose sum is σ = 63180546. Its totient is φ = 21060180.

The previous prime is 42120301. The next prime is 42120367. The reversal of 42120362 is 26302124.

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., 37319881 + 4800481 = 6109^2 + 2191^2 .

It is a super-2 number, since 2×42120362² = 3548249790022088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42120367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10530089 + ... + 10530092.

Almost surely, 2^42120362 is an apocalyptic number.

42120362 is a deficient number, since it is larger than the sum of its proper divisors (21060184).

42120362 is a wasteful number, since it uses less digits than its factorization.

42120362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21060183.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42120362 is about 6490.0201848685. The cubic root of 42120362 is about 347.9343966263.

Adding to 42120362 its reverse (26302124), we get a palindrome (68422486).

The spelling of 42120362 in words is "forty-two million, one hundred twenty thousand, three hundred sixty-two".