126342737 has 4 divisors (see below), whose sum is σ = 126418800. Its totient is φ = 126266676.

The previous prime is 126342707. The next prime is 126342739. The reversal of 126342737 is 737243621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126342737 - 2⁶ = 126342673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126342697 and 126342706.

It is not an unprimeable number, because it can be changed into a prime (126342739) 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, 35483 + ... + 38880.

It is an arithmetic number, because the mean of its divisors is an integer number (31604700).

Almost surely, 2^126342737 is an apocalyptic number.

It is an amenable number.

126342737 is a deficient number, since it is larger than the sum of its proper divisors (76063).

126342737 is an equidigital number, since it uses as much as digits as its factorization.

126342737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76062.

The product of its digits is 42336, while the sum is 35.

The square root of 126342737 is about 11240.2285119120. The cubic root of 126342737 is about 501.7839435213.

The spelling of 126342737 in words is "one hundred twenty-six million, three hundred forty-two thousand, seven hundred thirty-seven".