126061660 has 24 divisors (see below), whose sum is σ = 265098960. Its totient is φ = 50354304.

The previous prime is 126061631. The next prime is 126061667. The reversal of 126061660 is 66160621.

It is a super-4 number, since 4×126061660⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126061667) 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 7 ways as a sum of consecutive naturals, for example, 11736 + ... + 19744.

It is an arithmetic number, because the mean of its divisors is an integer number (11045790).

Almost surely, 2^126061660 is an apocalyptic number.

126061660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126061660 is an abundant number, since it is smaller than the sum of its proper divisors (139037300).

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

126061660 is a wasteful number, since it uses less digits than its factorization.

126061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8805 (or 8803 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 126061660 is about 11227.7183790831. The cubic root of 126061660 is about 501.4115579251.

The spelling of 126061660 in words is "one hundred twenty-six million, sixty-one thousand, six hundred sixty".