78542126 has 8 divisors (see below), whose sum is σ = 126875784. Its totient is φ = 36250200.

The previous prime is 78542099. The next prime is 78542201. The reversal of 78542126 is 62124587.

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

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, 1510400 + ... + 1510451.

It is an arithmetic number, because the mean of its divisors is an integer number (15859473).

Almost surely, 2^78542126 is an apocalyptic number.

78542126 is a deficient number, since it is larger than the sum of its proper divisors (48333658).

78542126 is a wasteful number, since it uses less digits than its factorization.

78542126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020866.

The product of its digits is 26880, while the sum is 35.

The square root of 78542126 is about 8862.3995621953. The cubic root of 78542126 is about 428.2534637206.

The spelling of 78542126 in words is "seventy-eight million, five hundred forty-two thousand, one hundred twenty-six".