126451250 has 20 divisors (see below), whose sum is σ = 237022566. Its totient is φ = 50580000.

The previous prime is 126451243. The next prime is 126451277. The reversal of 126451250 is 52154621.

It can be written as a sum of positive squares in 5 ways, for example, as 15928081 + 110523169 = 3991^2 + 10513^2 .

It is a super-3 number, since 3×126451250³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49331 + ... + 51830.

Almost surely, 2^126451250 is an apocalyptic number.

126451250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126451250 is a deficient number, since it is larger than the sum of its proper divisors (110571316).

126451250 is an equidigital number, since it uses as much as digits as its factorization.

126451250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101183 (or 101168 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 126451250 is about 11245.0544685208. The cubic root of 126451250 is about 501.9275594798.

The spelling of 126451250 in words is "one hundred twenty-six million, four hundred fifty-one thousand, two hundred fifty".