126911149 has 4 divisors (see below), whose sum is σ = 127671264. Its totient is φ = 126151036.

The previous prime is 126911129. The next prime is 126911153. The reversal of 126911149 is 941119621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126911149 - 2⁷ = 126911021 is a prime.

It is a super-2 number, since 2×126911149² = 32212879481000402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126911129) 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, 379807 + ... + 380140.

It is an arithmetic number, because the mean of its divisors is an integer number (31917816).

Almost surely, 2^126911149 is an apocalyptic number.

It is an amenable number.

126911149 is a deficient number, since it is larger than the sum of its proper divisors (760115).

126911149 is an equidigital number, since it uses as much as digits as its factorization.

126911149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760114.

The product of its digits is 3888, while the sum is 34.

The square root of 126911149 is about 11265.4848541907. The cubic root of 126911149 is about 502.5353212303.

The spelling of 126911149 in words is "one hundred twenty-six million, nine hundred eleven thousand, one hundred forty-nine".