78126148 has 12 divisors (see below), whose sum is σ = 139038480. Its totient is φ = 38400872.

The previous prime is 78126143. The next prime is 78126163. The reversal of 78126148 is 84162187.

It is a super-2 number, since 2×78126148² = 12207390002635808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78126143) 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, 165286 + ... + 165757.

It is an arithmetic number, because the mean of its divisors is an integer number (11586540).

Almost surely, 2^78126148 is an apocalyptic number.

It is an amenable number.

78126148 is a deficient number, since it is larger than the sum of its proper divisors (60912332).

78126148 is a wasteful number, since it uses less digits than its factorization.

78126148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331106 (or 331104 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 78126148 is about 8838.8997052801. The cubic root of 78126148 is about 427.4960805815.

The spelling of 78126148 in words is "seventy-eight million, one hundred twenty-six thousand, one hundred forty-eight".