126719742 has 16 divisors (see below), whose sum is σ = 264458880. Its totient is φ = 40403352.

The previous prime is 126719741. The next prime is 126719743. The reversal of 126719742 is 247917621.

It is an interprime number because it is at equal distance from previous prime (126719741) and next prime (126719743).

It is a self number, because there is not a number n which added to its sum of digits gives 126719742.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458992 + ... + 459267.

It is an arithmetic number, because the mean of its divisors is an integer number (16528680).

Almost surely, 2^126719742 is an apocalyptic number.

126719742 is an abundant number, since it is smaller than the sum of its proper divisors (137739138).

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

126719742 is a wasteful number, since it uses less digits than its factorization.

126719742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918287.

The product of its digits is 42336, while the sum is 39.

The square root of 126719742 is about 11256.9863640319. The cubic root of 126719742 is about 502.2825533772.

The spelling of 126719742 in words is "one hundred twenty-six million, seven hundred nineteen thousand, seven hundred forty-two".