42051127 has 4 divisors (see below), whose sum is σ = 42067296. Its totient is φ = 42034960.

The previous prime is 42051091. The next prime is 42051151. The reversal of 42051127 is 72115024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42051127 - 2⁷ = 42050999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42051098 and 42051107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3199 + ... + 9712.

It is an arithmetic number, because the mean of its divisors is an integer number (10516824).

Almost surely, 2^42051127 is an apocalyptic number.

42051127 is a deficient number, since it is larger than the sum of its proper divisors (16169).

42051127 is a wasteful number, since it uses less digits than its factorization.

42051127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16168.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 42051127 is about 6484.6840323951. The cubic root of 42051127 is about 347.7436539728.

The spelling of 42051127 in words is "forty-two million, fifty-one thousand, one hundred twenty-seven".