126374123007 has 12 divisors (see below), whose sum is σ = 199134981864. Its totient is φ = 76590377520.

The previous prime is 126374122981. The next prime is 126374123017. The reversal of 126374123007 is 700321473621.

126374123007 is a `hidden beast` number, since 1 + 2 + 637 + 4 + 12 + 3 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 126374123007 - 2⁸ = 126374122751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126374123017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638253048 + ... + 638253245.

It is an arithmetic number, because the mean of its divisors is an integer number (16594581822).

Almost surely, 2^126374123007 is an apocalyptic number.

126374123007 is a deficient number, since it is larger than the sum of its proper divisors (72760858857).

126374123007 is a wasteful number, since it uses less digits than its factorization.

126374123007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276506310 (or 1276506307 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

Adding to 126374123007 its reverse (700321473621), we get a palindrome (826695596628).

The spelling of 126374123007 in words is "one hundred twenty-six billion, three hundred seventy-four million, one hundred twenty-three thousand, seven".