42123150 has 36 divisors (see below), whose sum is σ = 113172072. Its totient is φ = 11232720.

The previous prime is 42123149. The next prime is 42123157. The reversal of 42123150 is 5132124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46354 + ... + 47253.

Almost surely, 2^42123150 is an apocalyptic number.

42123150 is an abundant number, since it is smaller than the sum of its proper divisors (71048922).

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

42123150 is a wasteful number, since it uses less digits than its factorization.

42123150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93625 (or 93617 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42123150 is about 6490.2349726339. The cubic root of 42123150 is about 347.9420731961.

Adding to 42123150 its reverse (5132124), we get a palindrome (47255274).

The spelling of 42123150 in words is "forty-two million, one hundred twenty-three thousand, one hundred fifty".