126440411 has 4 divisors (see below), whose sum is σ = 126641424. Its totient is φ = 126239400.

The previous prime is 126440399. The next prime is 126440437. The reversal of 126440411 is 114044621.

It is a happy number.

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-126440411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126400411) 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, 99560 + ... + 100821.

It is an arithmetic number, because the mean of its divisors is an integer number (31660356).

Almost surely, 2^126440411 is an apocalyptic number.

126440411 is a deficient number, since it is larger than the sum of its proper divisors (201013).

126440411 is an equidigital number, since it uses as much as digits as its factorization.

126440411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201012.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 126440411 is about 11244.5725129949. The cubic root of 126440411 is about 501.9132178573.

The spelling of 126440411 in words is "one hundred twenty-six million, four hundred forty thousand, four hundred eleven".