126078612 has 72 divisors (see below), whose sum is σ = 333908736. Its totient is φ = 36960000.

The previous prime is 126078611. The next prime is 126078629. The reversal of 126078612 is 216870621.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126078611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43612 + ... + 46412.

Almost surely, 2^126078612 is an apocalyptic number.

126078612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126078612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166954368).

126078612 is an abundant number, since it is smaller than the sum of its proper divisors (207830124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126078612 is a wasteful number, since it uses less digits than its factorization.

126078612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 126078612 is about 11228.4732711086. The cubic root of 126078612 is about 501.4340325029.

The spelling of 126078612 in words is "one hundred twenty-six million, seventy-eight thousand, six hundred twelve".