126298730 has 8 divisors (see below), whose sum is σ = 227337732. Its totient is φ = 50519488.

The previous prime is 126298717. The next prime is 126298759. The reversal of 126298730 is 37892621.

It can be written as a sum of positive squares in 2 ways, for example, as 126270169 + 28561 = 11237^2 + 169^2 .

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

It is a super-2 number, since 2×126298730² = 31902738399225800, which contains 22 as substring.

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, 6314927 + ... + 6314946.

Almost surely, 2^126298730 is an apocalyptic number.

126298730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126298730 is a deficient number, since it is larger than the sum of its proper divisors (101039002).

126298730 is a wasteful number, since it uses less digits than its factorization.

126298730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12629880.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 126298730 is about 11238.2707744564. The cubic root of 126298730 is about 501.7256772242.

The spelling of 126298730 in words is "one hundred twenty-six million, two hundred ninety-eight thousand, seven hundred thirty".