124242132 has 24 divisors (see below), whose sum is σ = 331312576. Its totient is φ = 35497728.

The previous prime is 124242109. The next prime is 124242133. The reversal of 124242132 is 231242421.

It is a super-2 number, since 2×124242132² = 30872214727810848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 124242099 and 124242108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124242133) 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, 739453 + ... + 739620.

Almost surely, 2^124242132 is an apocalyptic number.

124242132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124242132 is an abundant number, since it is smaller than the sum of its proper divisors (207070444).

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

124242132 is a wasteful number, since it uses less digits than its factorization.

124242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479087 (or 1479085 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 124242132 is about 11146.3954711826. The cubic root of 124242132 is about 498.9874602439.

Adding to 124242132 its reverse (231242421), we get a palindrome (355484553).

The spelling of 124242132 in words is "one hundred twenty-four million, two hundred forty-two thousand, one hundred thirty-two".