124156742 has 8 divisors (see below), whose sum is σ = 187056216. Its totient is φ = 61804672.

The previous prime is 124156717. The next prime is 124156787. The reversal of 124156742 is 247651421.

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

It is a junction number, because it is equal to n+sod(n) for n = 124156699 and 124156708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136283 + ... + 137190.

It is an arithmetic number, because the mean of its divisors is an integer number (23382027).

Almost surely, 2^124156742 is an apocalyptic number.

124156742 is a deficient number, since it is larger than the sum of its proper divisors (62899474).

124156742 is a wasteful number, since it uses less digits than its factorization.

124156742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273702.

The product of its digits is 13440, while the sum is 32.

The square root of 124156742 is about 11142.5644265582. The cubic root of 124156742 is about 498.8731181827.

The spelling of 124156742 in words is "one hundred twenty-four million, one hundred fifty-six thousand, seven hundred forty-two".