126007642 has 8 divisors (see below), whose sum is σ = 189068832. Its totient is φ = 62984700.

The previous prime is 126007633. The next prime is 126007643. The reversal of 126007642 is 246700621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 126007642.

It is not an unprimeable number, because it can be changed into a prime (126007643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017 + ... + 15907.

It is an arithmetic number, because the mean of its divisors is an integer number (23633604).

Almost surely, 2^126007642 is an apocalyptic number.

126007642 is a deficient number, since it is larger than the sum of its proper divisors (63061190).

126007642 is a wasteful number, since it uses less digits than its factorization.

126007642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 126007642 is about 11225.3125568957. The cubic root of 126007642 is about 501.3399286415.

The spelling of 126007642 in words is "one hundred twenty-six million, seven thousand, six hundred forty-two".