126545451 has 8 divisors (see below), whose sum is σ = 170623440. Its totient is φ = 83415552.

The previous prime is 126545437. The next prime is 126545483. The reversal of 126545451 is 154545621.

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

It is not a de Polignac number, because 126545451 - 2¹³ = 126537259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126545411) 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, 236710 + ... + 237243.

It is an arithmetic number, because the mean of its divisors is an integer number (21327930).

Almost surely, 2^126545451 is an apocalyptic number.

126545451 is a deficient number, since it is larger than the sum of its proper divisors (44077989).

126545451 is an equidigital number, since it uses as much as digits as its factorization.

126545451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474045.

The product of its digits is 24000, while the sum is 33.

The square root of 126545451 is about 11249.2422411467. The cubic root of 126545451 is about 502.0521670310.

The spelling of 126545451 in words is "one hundred twenty-six million, five hundred forty-five thousand, four hundred fifty-one".