124102142 has 8 divisors (see below), whose sum is σ = 197103456. Its totient is φ = 58400992.

The previous prime is 124102141. The next prime is 124102163. The reversal of 124102142 is 241201421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 124102142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124102141) 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, 1824998 + ... + 1825065.

It is an arithmetic number, because the mean of its divisors is an integer number (24637932).

Almost surely, 2^124102142 is an apocalyptic number.

124102142 is a deficient number, since it is larger than the sum of its proper divisors (73001314).

124102142 is a wasteful number, since it uses less digits than its factorization.

124102142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650082.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 124102142 is about 11140.1140927730. The cubic root of 124102142 is about 498.7999781995.

Adding to 124102142 its reverse (241201421), we get a palindrome (365303563).

The spelling of 124102142 in words is "one hundred twenty-four million, one hundred two thousand, one hundred forty-two".