124142141 has 4 divisors (see below), whose sum is σ = 127497372. Its totient is φ = 120786912.

The previous prime is 124142131. The next prime is 124142153. The reversal of 124142141 is 141241421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77616100 + 46526041 = 8810^2 + 6821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124142141 is a prime.

It is a super-2 number, since 2×124142141² = 30822542344127762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124142131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677560 + ... + 1677633.

It is an arithmetic number, because the mean of its divisors is an integer number (31874343).

Almost surely, 2^124142141 is an apocalyptic number.

It is an amenable number.

124142141 is a deficient number, since it is larger than the sum of its proper divisors (3355231).

124142141 is an equidigital number, since it uses as much as digits as its factorization.

124142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355230.

The product of its digits is 256, while the sum is 20.

The square root of 124142141 is about 11141.9092170059. The cubic root of 124142141 is about 498.8535613660.

Adding to 124142141 its reverse (141241421), we get a palindrome (265383562).

The spelling of 124142141 in words is "one hundred twenty-four million, one hundred forty-two thousand, one hundred forty-one".