126347506 has 16 divisors (see below), whose sum is σ = 195994368. Its totient is φ = 61023600.

The previous prime is 126347503. The next prime is 126347509. The reversal of 126347506 is 605743621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126347503) and next prime (126347509).

It is not an unprimeable number, because it can be changed into a prime (126347503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39441 + ... + 42523.

It is an arithmetic number, because the mean of its divisors is an integer number (12249648).

Almost surely, 2^126347506 is an apocalyptic number.

126347506 is a deficient number, since it is larger than the sum of its proper divisors (69646862).

126347506 is a wasteful number, since it uses less digits than its factorization.

126347506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 126347506 is about 11240.4406497254. The cubic root of 126347506 is about 501.7902569762.

The spelling of 126347506 in words is "one hundred twenty-six million, three hundred forty-seven thousand, five hundred six".