126531141 has 32 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 74827200.

The previous prime is 126531133. The next prime is 126531149. The reversal of 126531141 is 141135621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126531133) and next prime (126531149).

It is not a de Polignac number, because 126531141 - 2³ = 126531133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126531149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480976 + ... + 481238.

It is an arithmetic number, because the mean of its divisors is an integer number (5892480).

Almost surely, 2^126531141 is an apocalyptic number.

126531141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126531141 is a deficient number, since it is larger than the sum of its proper divisors (62028219).

126531141 is a wasteful number, since it uses less digits than its factorization.

126531141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577.

The product of its digits is 720, while the sum is 24.

The square root of 126531141 is about 11248.6061803230. The cubic root of 126531141 is about 502.0332419800.

Adding to 126531141 its reverse (141135621), we get a palindrome (267666762).

The spelling of 126531141 in words is "one hundred twenty-six million, five hundred thirty-one thousand, one hundred forty-one".