126215141 has 8 divisors (see below), whose sum is σ = 136134264. Its totient is φ = 116326080.

The previous prime is 126215107. The next prime is 126215143. The reversal of 126215141 is 141512621.

It can be written as a sum of positive squares in 4 ways, for example, as 6225025 + 119990116 = 2495^2 + 10954^2 .

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

It is not a de Polignac number, because 126215141 - 2⁶ = 126215077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126215143) 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, 1631 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (17016783).

Almost surely, 2^126215141 is an apocalyptic number.

It is an amenable number.

126215141 is a deficient number, since it is larger than the sum of its proper divisors (9919123).

126215141 is a wasteful number, since it uses less digits than its factorization.

126215141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15031.

The product of its digits is 480, while the sum is 23.

The square root of 126215141 is about 11234.5512148906. The cubic root of 126215141 is about 501.6149661526.

Adding to 126215141 its reverse (141512621), we get a palindrome (267727762).

The spelling of 126215141 in words is "one hundred twenty-six million, two hundred fifteen thousand, one hundred forty-one".