42125116 has 48 divisors (see below), whose sum is σ = 85881600. Its totient is φ = 17867520.

The previous prime is 42125107. The next prime is 42125117. The reversal of 42125116 is 61152124.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42125117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148711 + ... + 148993.

It is an arithmetic number, because the mean of its divisors is an integer number (1789200).

Almost surely, 2^42125116 is an apocalyptic number.

It is an amenable number.

42125116 is an abundant number, since it is smaller than the sum of its proper divisors (43756484).

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

42125116 is a wasteful number, since it uses less digits than its factorization.

42125116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 512 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 42125116 is about 6490.3864291735. The cubic root of 42125116 is about 347.9474862408.

The spelling of 42125116 in words is "forty-two million, one hundred twenty-five thousand, one hundred sixteen".