124342842 has 64 divisors (see below), whose sum is σ = 277111296. Its totient is φ = 36953280.

The previous prime is 124342831. The next prime is 124342847. The reversal of 124342842 is 248243421.

It is a super-2 number, since 2×124342842² = 30922284713273928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124342847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439233 + ... + 439515.

It is an arithmetic number, because the mean of its divisors is an integer number (4329864).

Almost surely, 2^124342842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124342842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138555648).

124342842 is an abundant number, since it is smaller than the sum of its proper divisors (152768454).

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

124342842 is a wasteful number, since it uses less digits than its factorization.

124342842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its digits is 12288, while the sum is 30.

The square root of 124342842 is about 11150.9121599984. The cubic root of 124342842 is about 499.1222493426.

The spelling of 124342842 in words is "one hundred twenty-four million, three hundred forty-two thousand, eight hundred forty-two".