151126121 has 2 divisors, whose sum is σ = 151126122. Its totient is φ = 151126120.

The previous prime is 151126069. The next prime is 151126193. The reversal of 151126121 is 121621151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133148521 + 17977600 = 11539^2 + 4240^2 .

It is a cyclic number.

It is not a de Polignac number, because 151126121 - 2¹⁰ = 151125097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 151126093 and 151126102.

It is not a weakly prime, because it can be changed into another prime (151126021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75563060 + 75563061.

It is an arithmetic number, because the mean of its divisors is an integer number (75563061).

Almost surely, 2^151126121 is an apocalyptic number.

It is an amenable number.

151126121 is a deficient number, since it is larger than the sum of its proper divisors (1).

151126121 is an equidigital number, since it uses as much as digits as its factorization.

151126121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 20.

The square root of 151126121 is about 12293.3364470350. The cubic root of 151126121 is about 532.6556177828.

Adding to 151126121 its reverse (121621151), we get a palindrome (272747272).

The spelling of 151126121 in words is "one hundred fifty-one million, one hundred twenty-six thousand, one hundred twenty-one".