126387740 has 12 divisors (see below), whose sum is σ = 265414296. Its totient is φ = 50555088.

The previous prime is 126387689. The next prime is 126387757. The reversal of 126387740 is 47783621.

It is a junction number, because it is equal to n+sod(n) for n = 126387694 and 126387703.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3159674 + ... + 3159713.

It is an arithmetic number, because the mean of its divisors is an integer number (22117858).

Almost surely, 2^126387740 is an apocalyptic number.

126387740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126387740 is an abundant number, since it is smaller than the sum of its proper divisors (139026556).

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

126387740 is a wasteful number, since it uses less digits than its factorization.

126387740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319396 (or 6319394 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 126387740 is about 11242.2302057910. The cubic root of 126387740 is about 501.8435145545.

The spelling of 126387740 in words is "one hundred twenty-six million, three hundred eighty-seven thousand, seven hundred forty".