126379751 has 4 divisors (see below), whose sum is σ = 133813872. Its totient is φ = 118945632.

The previous prime is 126379741. The next prime is 126379763. The reversal of 126379751 is 157973621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126379751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126379699 and 126379708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126379741) 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, 3717035 + ... + 3717068.

It is an arithmetic number, because the mean of its divisors is an integer number (33453468).

Almost surely, 2^126379751 is an apocalyptic number.

126379751 is a deficient number, since it is larger than the sum of its proper divisors (7434121).

126379751 is an equidigital number, since it uses as much as digits as its factorization.

126379751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434120.

The product of its digits is 79380, while the sum is 41.

The square root of 126379751 is about 11241.8748881136. The cubic root of 126379751 is about 501.8329404479.

The spelling of 126379751 in words is "one hundred twenty-six million, three hundred seventy-nine thousand, seven hundred fifty-one".