126373640 has 32 divisors (see below), whose sum is σ = 285552000. Its totient is φ = 50334144.

The previous prime is 126373609. The next prime is 126373649. The reversal of 126373640 is 46373621.

It is a junction number, because it is equal to n+sod(n) for n = 126373597 and 126373606.

It is not an unprimeable number, because it can be changed into a prime (126373649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2951 + ... + 16169.

It is an arithmetic number, because the mean of its divisors is an integer number (8923500).

Almost surely, 2^126373640 is an apocalyptic number.

126373640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126373640 is an abundant number, since it is smaller than the sum of its proper divisors (159178360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126373640 is a wasteful number, since it uses less digits than its factorization.

126373640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13469 (or 13465 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 126373640 is about 11241.6030885279. The cubic root of 126373640 is about 501.8248517298.

The spelling of 126373640 in words is "one hundred twenty-six million, three hundred seventy-three thousand, six hundred forty".