42119451 has 24 divisors (see below), whose sum is σ = 67504320. Its totient is φ = 25090800.

The previous prime is 42119449. The next prime is 42119461. The reversal of 42119451 is 15491124.

42119451 is a `hidden beast` number, since 421 + 194 + 51 = 666.

It is not a de Polignac number, because 42119451 - 2¹ = 42119449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42119461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2236 + ... + 9446.

It is an arithmetic number, because the mean of its divisors is an integer number (2812680).

Almost surely, 2^42119451 is an apocalyptic number.

42119451 is a deficient number, since it is larger than the sum of its proper divisors (25384869).

42119451 is a wasteful number, since it uses less digits than its factorization.

42119451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287 (or 7284 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 42119451 is about 6489.9499998074. The cubic root of 42119451 is about 347.9318881759.

The spelling of 42119451 in words is "forty-two million, one hundred nineteen thousand, four hundred fifty-one".