126786156 has 96 divisors (see below), whose sum is σ = 352235520. Its totient is φ = 34732800.

The previous prime is 126786133. The next prime is 126786197. The reversal of 126786156 is 651687621.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471190 + ... + 471458.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^126786156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126786156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176117760).

126786156 is an abundant number, since it is smaller than the sum of its proper divisors (225449364).

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

126786156 is a wasteful number, since it uses less digits than its factorization.

126786156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 126786156 is about 11259.9358790359. The cubic root of 126786156 is about 502.3702870560.

The spelling of 126786156 in words is "one hundred twenty-six million, seven hundred eighty-six thousand, one hundred fifty-six".