126072937 has 4 divisors (see below), whose sum is σ = 127372756. Its totient is φ = 124773120.

The previous prime is 126072929. The next prime is 126072953. The reversal of 126072937 is 739270621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104366656 + 21706281 = 10216^2 + 4659^2 .

It is a cyclic number.

It is not a de Polignac number, because 126072937 - 2³ = 126072929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126072896 and 126072905.

It is not an unprimeable number, because it can be changed into a prime (126072907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649764 + ... + 649957.

It is an arithmetic number, because the mean of its divisors is an integer number (31843189).

Almost surely, 2^126072937 is an apocalyptic number.

It is an amenable number.

126072937 is a deficient number, since it is larger than the sum of its proper divisors (1299819).

126072937 is an equidigital number, since it uses as much as digits as its factorization.

126072937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299818.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 126072937 is about 11228.2205624934. The cubic root of 126072937 is about 501.4265089407.

The spelling of 126072937 in words is "one hundred twenty-six million, seventy-two thousand, nine hundred thirty-seven".