126247340 has 24 divisors (see below), whose sum is σ = 265984992. Its totient is φ = 50334080.

The previous prime is 126247327. The next prime is 126247351. The reversal of 126247340 is 43742621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3929 + ... + 16368.

It is an arithmetic number, because the mean of its divisors is an integer number (11082708).

Almost surely, 2^126247340 is an apocalyptic number.

126247340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126247340 is an abundant number, since it is smaller than the sum of its proper divisors (139737652).

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

126247340 is a wasteful number, since it uses less digits than its factorization.

126247340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20617 (or 20615 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 126247340 is about 11235.9841580522. The cubic root of 126247340 is about 501.6576185288.

Adding to 126247340 its reverse (43742621), we get a palindrome (169989961).

The spelling of 126247340 in words is "one hundred twenty-six million, two hundred forty-seven thousand, three hundred forty".