126101251 has 8 divisors (see below), whose sum is σ = 130576320. Its totient is φ = 121634688.

The previous prime is 126101207. The next prime is 126101299. The reversal of 126101251 is 152101621.

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 126101251 - 2¹¹ = 126099203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126101051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50310 + ... + 52756.

It is an arithmetic number, because the mean of its divisors is an integer number (16322040).

Almost surely, 2^126101251 is an apocalyptic number.

126101251 is a deficient number, since it is larger than the sum of its proper divisors (4475069).

126101251 is a wasteful number, since it uses less digits than its factorization.

126101251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 126101251 is about 11229.4813326351. The cubic root of 126101251 is about 501.4640436350.

Adding to 126101251 its reverse (152101621), we get a palindrome (278202872).

It can be divided in two parts, 12610 and 1251, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 126101251 in words is "one hundred twenty-six million, one hundred one thousand, two hundred fifty-one".