126719740 has 48 divisors (see below), whose sum is σ = 320140800. Its totient is φ = 41159232.

The previous prime is 126719699. The next prime is 126719741. The reversal of 126719740 is 47917621.

It is a self number, because there is not a number n which added to its sum of digits gives 126719740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126719741) by changing a digit.

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, 21160 + ... + 26479.

It is an arithmetic number, because the mean of its divisors is an integer number (6669600).

Almost surely, 2^126719740 is an apocalyptic number.

126719740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126719740 is an abundant number, since it is smaller than the sum of its proper divisors (193421060).

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

126719740 is a wasteful number, since it uses less digits than its factorization.

126719740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47674 (or 47672 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 126719740 is about 11256.9862751982. The cubic root of 126719740 is about 502.2825507347.

The spelling of 126719740 in words is "one hundred twenty-six million, seven hundred nineteen thousand, seven hundred forty".