126451400 has 24 divisors (see below), whose sum is σ = 293999970. Its totient is φ = 50580480.

The previous prime is 126451399. The next prime is 126451417. The reversal of 126451400 is 4154621.

It can be written as a sum of positive squares in 3 ways, for example, as 85414564 + 41036836 = 9242^2 + 6406^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315929 + ... + 316328.

Almost surely, 2^126451400 is an apocalyptic number.

126451400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126451400 is an abundant number, since it is smaller than the sum of its proper divisors (167548570).

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

126451400 is a wasteful number, since it uses less digits than its factorization.

126451400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632273 (or 632264 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 126451400 is about 11245.0611381175. The cubic root of 126451400 is about 501.9277579466.

The spelling of 126451400 in words is "one hundred twenty-six million, four hundred fifty-one thousand, four hundred".