126379121 has 8 divisors (see below), whose sum is σ = 140205600. Its totient is φ = 112942240.

The previous prime is 126379117. The next prime is 126379147. The reversal of 126379121 is 121973621.

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

It is a cyclic number.

It is not a de Polignac number, because 126379121 - 2² = 126379117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126379111) 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, 96716 + ... + 98013.

It is an arithmetic number, because the mean of its divisors is an integer number (17525700).

Almost surely, 2^126379121 is an apocalyptic number.

126379121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126379121 is a deficient number, since it is larger than the sum of its proper divisors (13826479).

126379121 is a wasteful number, since it uses less digits than its factorization.

126379121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194799.

The product of its digits is 4536, while the sum is 32.

The square root of 126379121 is about 11241.8468678416. The cubic root of 126379121 is about 501.8321065715.

The spelling of 126379121 in words is "one hundred twenty-six million, three hundred seventy-nine thousand, one hundred twenty-one".