126972696 has 96 divisors (see below), whose sum is σ = 338834160. Its totient is φ = 39638016.

The previous prime is 126972691. The next prime is 126972697. The reversal of 126972696 is 696279621.

It is a super-2 number, since 2×126972696² = 32244131059016832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126972691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 926740 + ... + 926876.

Almost surely, 2^126972696 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 126972696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169417080).

126972696 is an abundant number, since it is smaller than the sum of its proper divisors (211861464).

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

126972696 is a wasteful number, since it uses less digits than its factorization.

126972696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 238 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 126972696 is about 11268.2161853596. The cubic root of 126972696 is about 502.6165448347.

The spelling of 126972696 in words is "one hundred twenty-six million, nine hundred seventy-two thousand, six hundred ninety-six".