126741240 has 64 divisors (see below), whose sum is σ = 422474400. Its totient is φ = 33797376.

The previous prime is 126741221. The next prime is 126741259. The reversal of 126741240 is 42147621.

It is an interprime number because it is at equal distance from previous prime (126741221) and next prime (126741259).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57597 + ... + 59756.

Almost surely, 2^126741240 is an apocalyptic number.

126741240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126741240 is an abundant number, since it is smaller than the sum of its proper divisors (295733160).

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

126741240 is a wasteful number, since it uses less digits than its factorization.

126741240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117373 (or 117363 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 126741240 is about 11257.9411972172. The cubic root of 126741240 is about 502.3109558439.

Adding to 126741240 its reverse (42147621), we get a palindrome (168888861).

The spelling of 126741240 in words is "one hundred twenty-six million, seven hundred forty-one thousand, two hundred forty".