126161292 has 48 divisors (see below), whose sum is σ = 312381440. Its totient is φ = 39517632.

The previous prime is 126161291. The next prime is 126161297. The reversal of 126161292 is 292161621.

It is not an unprimeable number, because it can be changed into a prime (126161291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26778 + ... + 31134.

Almost surely, 2^126161292 is an apocalyptic number.

126161292 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 126161292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156190720).

126161292 is an abundant number, since it is smaller than the sum of its proper divisors (186220148).

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

126161292 is a wasteful number, since it uses less digits than its factorization.

126161292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510 (or 4508 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 126161292 is about 11232.1543792809. The cubic root of 126161292 is about 501.5436189106.

The spelling of 126161292 in words is "one hundred twenty-six million, one hundred sixty-one thousand, two hundred ninety-two".