126424340 has 48 divisors (see below), whose sum is σ = 313891200. Its totient is φ = 41849472.

The previous prime is 126424339. The next prime is 126424349. The reversal of 126424340 is 43424621.

It is a super-2 number, since 2×126424340² = 31966227488871200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126424349) 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 15 ways as a sum of consecutive naturals, for example, 11510 + ... + 19629.

It is an arithmetic number, because the mean of its divisors is an integer number (6539400).

Almost surely, 2^126424340 is an apocalyptic number.

126424340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126424340 is an abundant number, since it is smaller than the sum of its proper divisors (187466860).

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

126424340 is a wasteful number, since it uses less digits than its factorization.

126424340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31184 (or 31182 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 126424340 is about 11243.8578788599. The cubic root of 126424340 is about 501.8919520056.

Adding to 126424340 its reverse (43424621), we get a palindrome (169848961).

The spelling of 126424340 in words is "one hundred twenty-six million, four hundred twenty-four thousand, three hundred forty".