42120595 has 16 divisors (see below), whose sum is σ = 55323648. Its totient is φ = 30531040.

The previous prime is 42120593. The next prime is 42120623. The reversal of 42120595 is 59502124.

42120595 = T₁₂₁₀ + T₁₂₁₁ + ... + T₁₂₆₄.

It is not a de Polignac number, because 42120595 - 2¹ = 42120593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42120593) 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, 17982 + ... + 20188.

It is an arithmetic number, because the mean of its divisors is an integer number (3457728).

Almost surely, 2^42120595 is an apocalyptic number.

42120595 is a deficient number, since it is larger than the sum of its proper divisors (13203053).

42120595 is a wasteful number, since it uses less digits than its factorization.

42120595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 42120595 is about 6490.0381354812. The cubic root of 42120595 is about 347.9350381891.

The spelling of 42120595 in words is "forty-two million, one hundred twenty thousand, five hundred ninety-five".