126860945 has 8 divisors (see below), whose sum is σ = 152298600. Its totient is φ = 101445120.

The previous prime is 126860941. The next prime is 126860957. The reversal of 126860945 is 549068621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44849809 + 82011136 = 6697^2 + 9056^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126860945 - 2² = 126860941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126860941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13031 + ... + 20579.

It is an arithmetic number, because the mean of its divisors is an integer number (19037325).

Almost surely, 2^126860945 is an apocalyptic number.

It is an amenable number.

126860945 is a deficient number, since it is larger than the sum of its proper divisors (25437655).

126860945 is an equidigital number, since it uses as much as digits as its factorization.

126860945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10915.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 126860945 is about 11263.2564118908. The cubic root of 126860945 is about 502.4690475394.

The spelling of 126860945 in words is "one hundred twenty-six million, eight hundred sixty thousand, nine hundred forty-five".