126451395 has 32 divisors (see below), whose sum is σ = 256919040. Its totient is φ = 57805920.

The previous prime is 126451357. The next prime is 126451399. The reversal of 126451395 is 593154621.

126451395 is a `hidden beast` number, since 1 + 2 + 645 + 1 + 3 + 9 + 5 = 666.

It is not a de Polignac number, because 126451395 - 2¹⁷ = 126320323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126451399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65961 + ... + 67850.

It is an arithmetic number, because the mean of its divisors is an integer number (8028720).

Almost surely, 2^126451395 is an apocalyptic number.

126451395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126451395 is an abundant number, since it is smaller than the sum of its proper divisors (130467645).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126451395 is a wasteful number, since it uses less digits than its factorization.

126451395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133832 (or 133826 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 126451395 is about 11245.0609157977. The cubic root of 126451395 is about 501.9277513310.

The spelling of 126451395 in words is "one hundred twenty-six million, four hundred fifty-one thousand, three hundred ninety-five".