126144740 has 12 divisors (see below), whose sum is σ = 264903996. Its totient is φ = 50457888.

The previous prime is 126144737. The next prime is 126144779. The reversal of 126144740 is 47441621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99042304 + 27102436 = 9952^2 + 5206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153599 + ... + 3153638.

It is an arithmetic number, because the mean of its divisors is an integer number (22075333).

Almost surely, 2^126144740 is an apocalyptic number.

126144740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126144740 is an abundant number, since it is smaller than the sum of its proper divisors (138759256).

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

126144740 is a wasteful number, since it uses less digits than its factorization.

126144740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307246 (or 6307244 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 126144740 is about 11231.4175418778. The cubic root of 126144740 is about 501.5216842561.

The spelling of 126144740 in words is "one hundred twenty-six million, one hundred forty-four thousand, seven hundred forty".