126180645 has 32 divisors (see below), whose sum is σ = 214272000. Its totient is φ = 63269184.

The previous prime is 126180643. The next prime is 126180671. The reversal of 126180645 is 546081621.

It is not a de Polignac number, because 126180645 - 2¹ = 126180643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126180643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17256 + ... + 23454.

It is an arithmetic number, because the mean of its divisors is an integer number (6696000).

Almost surely, 2^126180645 is an apocalyptic number.

126180645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126180645 is a deficient number, since it is larger than the sum of its proper divisors (88091355).

126180645 is a wasteful number, since it uses less digits than its factorization.

126180645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 126180645 is about 11233.0158461564. The cubic root of 126180645 is about 501.5692630080.

The spelling of 126180645 in words is "one hundred twenty-six million, one hundred eighty thousand, six hundred forty-five".