124869142 has 4 divisors (see below), whose sum is σ = 187303716. Its totient is φ = 62434570.

The previous prime is 124869137. The next prime is 124869163. The reversal of 124869142 is 241968421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31217284 + ... + 31217287.

It is an arithmetic number, because the mean of its divisors is an integer number (46825929).

Almost surely, 2^124869142 is an apocalyptic number.

124869142 is a deficient number, since it is larger than the sum of its proper divisors (62434574).

124869142 is an equidigital number, since it uses as much as digits as its factorization.

124869142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62434573.

The product of its digits is 27648, while the sum is 37.

The square root of 124869142 is about 11174.4862074281. The cubic root of 124869142 is about 499.8254617466.

The spelling of 124869142 in words is "one hundred twenty-four million, eight hundred sixty-nine thousand, one hundred forty-two".