42103140 has 24 divisors (see below), whose sum is σ = 117888960. Its totient is φ = 11227488.

The previous prime is 42103123. The next prime is 42103153. The reversal of 42103140 is 4130124.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350800 + ... + 350919.

It is an arithmetic number, because the mean of its divisors is an integer number (4912040).

Almost surely, 2^42103140 is an apocalyptic number.

It is an amenable number.

42103140 is an abundant number, since it is smaller than the sum of its proper divisors (75785820).

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

42103140 is a wasteful number, since it uses less digits than its factorization.

42103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701731 (or 701729 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42103140 is about 6488.6932428649. The cubic root of 42103140 is about 347.8869695012.

Adding to 42103140 its reverse (4130124), we get a palindrome (46233264).

The spelling of 42103140 in words is "forty-two million, one hundred three thousand, one hundred forty".