42115030 has 16 divisors (see below), whose sum is σ = 76721904. Its totient is φ = 16642720.

The previous prime is 42115027. The next prime is 42115049. The reversal of 42115030 is 3051124.

It is a junction number, because it is equal to n+sod(n) for n = 42114995 and 42115013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24541 + ... + 26200.

It is an arithmetic number, because the mean of its divisors is an integer number (4795119).

Almost surely, 2^42115030 is an apocalyptic number.

42115030 is a deficient number, since it is larger than the sum of its proper divisors (34606874).

42115030 is a wasteful number, since it uses less digits than its factorization.

42115030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50831.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 42115030 is about 6489.6093873206. The cubic root of 42115030 is about 347.9197143808.

Adding to 42115030 its reverse (3051124), we get a palindrome (45166154).

It can be divided in two parts, 421 and 15030, that added together give a palindrome (15451).

The spelling of 42115030 in words is "forty-two million, one hundred fifteen thousand, thirty".