42129295 has 16 divisors (see below), whose sum is σ = 54734400. Its totient is φ = 30945024.

The previous prime is 42129287. The next prime is 42129301. The reversal of 42129295 is 59292124.

It is a cyclic number.

It is not a de Polignac number, because 42129295 - 2³ = 42129287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42129295.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11307 + ... + 14563.

It is an arithmetic number, because the mean of its divisors is an integer number (3420900).

Almost surely, 2^42129295 is an apocalyptic number.

42129295 is a deficient number, since it is larger than the sum of its proper divisors (12605105).

42129295 is a wasteful number, since it uses less digits than its factorization.

42129295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474.

The product of its digits is 12960, while the sum is 34.

The square root of 42129295 is about 6490.7083588773. The cubic root of 42129295 is about 347.9589918428.

It can be divided in two parts, 42129 and 295, that added together give a palindrome (42424).

The spelling of 42129295 in words is "forty-two million, one hundred twenty-nine thousand, two hundred ninety-five".