742124 has 6 divisors (see below), whose sum is σ = 1298724. Its totient is φ = 371060.

The previous prime is 742117. The next prime is 742127. The reversal of 742124 is 421247.

It is a junction number, because it is equal to n+sod(n) for n = 742096 and 742105.

It is not an unprimeable number, because it can be changed into a prime (742127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92762 + ... + 92769.

It is an arithmetic number, because the mean of its divisors is an integer number (216454).

2⁷⁴²¹²⁴ is an apocalyptic number.

It is an amenable number.

742124 is a deficient number, since it is larger than the sum of its proper divisors (556600).

742124 is a wasteful number, since it uses less digits than its factorization.

742124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185535 (or 185533 counting only the distinct ones).

The product of its digits is 448, while the sum is 20.

The square root of 742124 is about 861.4661920238. The cubic root of 742124 is about 90.5368733476.

The spelling of 742124 in words is "seven hundred forty-two thousand, one hundred twenty-four", and thus it is an iban number.