42125104 has 30 divisors (see below), whose sum is σ = 94944444. Its totient is φ = 18053280.

The previous prime is 42125087. The next prime is 42125107. The reversal of 42125104 is 40152124.

It is not an unprimeable number, because it can be changed into a prime (42125107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26082 + ... + 27649.

Almost surely, 2^42125104 is an apocalyptic number.

It is an amenable number.

42125104 is an abundant number, since it is smaller than the sum of its proper divisors (52819340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42125104 is a wasteful number, since it uses less digits than its factorization.

42125104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53753 (or 53740 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 42125104 is about 6490.3855047293. The cubic root of 42125104 is about 347.9474532013.

Adding to 42125104 its reverse (40152124), we get a palindrome (82277228).

It can be divided in two parts, 4212 and 5104, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 42125104 in words is "forty-two million, one hundred twenty-five thousand, one hundred four".