126028145 has 4 divisors (see below), whose sum is σ = 151233780. Its totient is φ = 100822512.

The previous prime is 126028129. The next prime is 126028151. The reversal of 126028145 is 541820621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90649441 + 35378704 = 9521^2 + 5948^2 .

It is a cyclic number.

It is not a de Polignac number, because 126028145 - 2⁴ = 126028129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12602810 + ... + 12602819.

It is an arithmetic number, because the mean of its divisors is an integer number (37808445).

Almost surely, 2^126028145 is an apocalyptic number.

It is an amenable number.

126028145 is a deficient number, since it is larger than the sum of its proper divisors (25205635).

126028145 is an equidigital number, since it uses as much as digits as its factorization.

126028145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25205634.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 126028145 is about 11226.2257682625. The cubic root of 126028145 is about 501.3671185668.

Adding to 126028145 its reverse (541820621), we get a palindrome (667848766).

The spelling of 126028145 in words is "one hundred twenty-six million, twenty-eight thousand, one hundred forty-five".