126400415 has 8 divisors (see below), whose sum is σ = 156911040. Its totient is φ = 97633312.

The previous prime is 126400411. The next prime is 126400429. The reversal of 126400415 is 514004621.

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 126400415 - 2² = 126400411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126400411) 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 7 ways as a sum of consecutive naturals, for example, 435719 + ... + 436008.

It is an arithmetic number, because the mean of its divisors is an integer number (19613880).

Almost surely, 2^126400415 is an apocalyptic number.

126400415 is a deficient number, since it is larger than the sum of its proper divisors (30510625).

126400415 is an equidigital number, since it uses as much as digits as its factorization.

126400415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871761.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 126400415 is about 11242.7939143257. The cubic root of 126400415 is about 501.8602900580.

The spelling of 126400415 in words is "one hundred twenty-six million, four hundred thousand, four hundred fifteen".