42500130 has 16 divisors (see below), whose sum is σ = 102000384. Its totient is φ = 11333360.

The previous prime is 42500123. The next prime is 42500137. The reversal of 42500130 is 3100524.

It is an interprime number because it is at equal distance from previous prime (42500123) and next prime (42500137).

It is a super-2 number, since 2×42500130² = 3612522100033800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (42500137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708306 + ... + 708365.

It is an arithmetic number, because the mean of its divisors is an integer number (6375024).

Almost surely, 2^42500130 is an apocalyptic number.

42500130 is an abundant number, since it is smaller than the sum of its proper divisors (59500254).

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

42500130 is a wasteful number, since it uses less digits than its factorization.

42500130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416681.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 42500130 is about 6519.2123757399. The cubic root of 42500130 is about 348.9769581644.

Adding to 42500130 its reverse (3100524), we get a palindrome (45600654).

The spelling of 42500130 in words is "forty-two million, five hundred thousand, one hundred thirty".